Finding the Fourth Proportional to 21,519,053.68, 32,259,469.09 and 8,385,430.66
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Solution
The fourth proportional to 21,519,053.68, 32,259,469.09 and 8,385,430.66 is: 12,570,698.75
Step by Step Solution
- Step 1: Write the proportion equation
21,519,053.68 : 32,259,469.09 = 8,385,430.66 : x - Step 2: Convert to fraction form
21,519,053.68/32,259,469.09 = 8,385,430.66/x - Step 3: Cross multiply
21,519,053.68x = 32,259,469.09 × 8,385,430.66 - Step 4: Simplify right side
21,519,053.68x = 270,509,541,182,608.31 - Step 5: Solve for x
x = 270,509,541,182,608.31/21,519,053.68 - Step 6: Final answer
x = 12,570,698.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.