Finding the Fourth Proportional to 15,078,053.70, 22,608,512.35 and 10,291,536.90
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Solution
The fourth proportional to 15,078,053.70, 22,608,512.35 and 10,291,536.90 is: 15,431,457.12
Step by Step Solution
- Step 1: Write the proportion equation
15,078,053.70 : 22,608,512.35 = 10,291,536.90 : x - Step 2: Convert to fraction form
15,078,053.70/22,608,512.35 = 10,291,536.90/x - Step 3: Cross multiply
15,078,053.70x = 22,608,512.35 × 10,291,536.90 - Step 4: Simplify right side
15,078,053.70x = 232,676,339,104,130.75 - Step 5: Solve for x
x = 232,676,339,104,130.75/15,078,053.70 - Step 6: Final answer
x = 15,431,457.12
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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.