Finding the Fourth Proportional to 17,857,906.44, 26,791,357.28 and 5,078,411.14
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Solution
The fourth proportional to 17,857,906.44, 26,791,357.28 and 5,078,411.14 is: 7,618,895.74
Step by Step Solution
- Step 1: Write the proportion equation
17,857,906.44 : 26,791,357.28 = 5,078,411.14 : x - Step 2: Convert to fraction form
17,857,906.44/26,791,357.28 = 5,078,411.14/x - Step 3: Cross multiply
17,857,906.44x = 26,791,357.28 × 5,078,411.14 - Step 4: Simplify right side
17,857,906.44x = 136,057,527,266,472.09 - Step 5: Solve for x
x = 136,057,527,266,472.09/17,857,906.44 - Step 6: Final answer
x = 7,618,895.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.