Finding the Fourth Proportional to 15,278,294.52, 22,917,108.87 and 7,186,785.14
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Solution
The fourth proportional to 15,278,294.52, 22,917,108.87 and 7,186,785.14 is: 10,780,021.12
Step by Step Solution
- Step 1: Write the proportion equation
15,278,294.52 : 22,917,108.87 = 7,186,785.14 : x - Step 2: Convert to fraction form
15,278,294.52/22,917,108.87 = 7,186,785.14/x - Step 3: Cross multiply
15,278,294.52x = 22,917,108.87 × 7,186,785.14 - Step 4: Simplify right side
15,278,294.52x = 164,700,337,535,970.97 - Step 5: Solve for x
x = 164,700,337,535,970.97/15,278,294.52 - Step 6: Final answer
x = 10,780,021.12
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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.