Finding the Fourth Proportional to 18,565,036.13, 27,847,515.92 and 10,474,338.98
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Solution
The fourth proportional to 18,565,036.13, 27,847,515.92 and 10,474,338.98 is: 15,711,486.87
Step by Step Solution
- Step 1: Write the proportion equation
18,565,036.13 : 27,847,515.92 = 10,474,338.98 : x - Step 2: Convert to fraction form
18,565,036.13/27,847,515.92 = 10,474,338.98/x - Step 3: Cross multiply
18,565,036.13x = 27,847,515.92 × 10,474,338.98 - Step 4: Simplify right side
18,565,036.13x = 291,684,321,514,273.62 - Step 5: Solve for x
x = 291,684,321,514,273.62/18,565,036.13 - Step 6: Final answer
x = 15,711,486.87
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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.