Finding the Fourth Proportional to 15,165,310.38, 22,747,965.63 and 5,067,931.38
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Solution
The fourth proportional to 15,165,310.38, 22,747,965.63 and 5,067,931.38 is: 7,601,897.09
Step by Step Solution
- Step 1: Write the proportion equation
15,165,310.38 : 22,747,965.63 = 5,067,931.38 : x - Step 2: Convert to fraction form
15,165,310.38/22,747,965.63 = 5,067,931.38/x - Step 3: Cross multiply
15,165,310.38x = 22,747,965.63 × 5,067,931.38 - Step 4: Simplify right side
15,165,310.38x = 115,285,128,847,438.47 - Step 5: Solve for x
x = 115,285,128,847,438.47/15,165,310.38 - Step 6: Final answer
x = 7,601,897.09
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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.