Finding the Fourth Proportional to 26,265,670.71, 39,422,414.28 and 13,979,948.46
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Solution
The fourth proportional to 26,265,670.71, 39,422,414.28 and 13,979,948.46 is: 20,982,647.88
Step by Step Solution
- Step 1: Write the proportion equation
26,265,670.71 : 39,422,414.28 = 13,979,948.46 : x - Step 2: Convert to fraction form
26,265,670.71/39,422,414.28 = 13,979,948.46/x - Step 3: Cross multiply
26,265,670.71x = 39,422,414.28 × 13,979,948.46 - Step 4: Simplify right side
26,265,670.71x = 551,123,319,707,758.75 - Step 5: Solve for x
x = 551,123,319,707,758.75/26,265,670.71 - Step 6: Final answer
x = 20,982,647.88
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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.