Finding the Fourth Proportional to 8,508,760.97, 12,763,134.16 and 3,117,833.30
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Solution
The fourth proportional to 8,508,760.97, 12,763,134.16 and 3,117,833.30 is: 4,676,747.28
Step by Step Solution
- Step 1: Write the proportion equation
8,508,760.97 : 12,763,134.16 = 3,117,833.30 : x - Step 2: Convert to fraction form
8,508,760.97/12,763,134.16 = 3,117,833.30/x - Step 3: Cross multiply
8,508,760.97x = 12,763,134.16 × 3,117,833.30 - Step 4: Simplify right side
8,508,760.97x = 39,793,324,720,528.78 - Step 5: Solve for x
x = 39,793,324,720,528.78/8,508,760.97 - Step 6: Final answer
x = 4,676,747.28
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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.