I thought bail values were set based on an estimation of the defendant's worth? So someone with a net worth of $20k might be released with a $10k bail, but som

I thought bail values were set based on an estimation of the defendant's worth? So someone with a net worth of $20k might be released with a $10k bail, but someone with a net worth of $20M would be released with a $10M bail? Is that not how it works?