Finding the Fourth Proportional to 10,957,589.68, 15,121,919.92 and 6,062,732.50
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Solution
The fourth proportional to 10,957,589.68, 15,121,919.92 and 6,062,732.50 is: 8,366,817.70
Step by Step Solution
- Step 1: Write the proportion equation
10,957,589.68 : 15,121,919.92 = 6,062,732.50 : x - Step 2: Convert to fraction form
10,957,589.68/15,121,919.92 = 6,062,732.50/x - Step 3: Cross multiply
10,957,589.68x = 15,121,919.92 × 6,062,732.50 - Step 4: Simplify right side
10,957,589.68x = 91,680,155,331,067.73 - Step 5: Solve for x
x = 91,680,155,331,067.73/10,957,589.68 - Step 6: Final answer
x = 8,366,817.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.