Finding the Fourth Proportional to 20,146,691.52, 27,802,470.24 and 10,979,331.84
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Solution
The fourth proportional to 20,146,691.52, 27,802,470.24 and 10,979,331.84 is: 15,151,497.53
Step by Step Solution
- Step 1: Write the proportion equation
20,146,691.52 : 27,802,470.24 = 10,979,331.84 : x - Step 2: Convert to fraction form
20,146,691.52/27,802,470.24 = 10,979,331.84/x - Step 3: Cross multiply
20,146,691.52x = 27,802,470.24 × 10,979,331.84 - Step 4: Simplify right side
20,146,691.52x = 305,252,546,736,684.44 - Step 5: Solve for x
x = 305,252,546,736,684.44/20,146,691.52 - Step 6: Final answer
x = 15,151,497.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.