Finding the Fourth Proportional to 11,284,351.60, 15,572,462.80 and 6,127,713.20
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Solution
The fourth proportional to 11,284,351.60, 15,572,462.80 and 6,127,713.20 is: 8,456,275.49
Step by Step Solution
- Step 1: Write the proportion equation
11,284,351.60 : 15,572,462.80 = 6,127,713.20 : x - Step 2: Convert to fraction form
11,284,351.60/15,572,462.80 = 6,127,713.20/x - Step 3: Cross multiply
11,284,351.60x = 15,572,462.80 × 6,127,713.20 - Step 4: Simplify right side
11,284,351.60x = 95,423,585,856,068.97 - Step 5: Solve for x
x = 95,423,585,856,068.97/11,284,351.60 - Step 6: Final answer
x = 8,456,275.49
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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.