Finding the Fourth Proportional to 8,463,251.97, 11,681,147.70 and 5,562,912.87
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Solution
The fourth proportional to 8,463,251.97, 11,681,147.70 and 5,562,912.87 is: 7,678,042.33
Step by Step Solution
- Step 1: Write the proportion equation
8,463,251.97 : 11,681,147.70 = 5,562,912.87 : x - Step 2: Convert to fraction form
8,463,251.97/11,681,147.70 = 5,562,912.87/x - Step 3: Cross multiply
8,463,251.97x = 11,681,147.70 × 5,562,912.87 - Step 4: Simplify right side
8,463,251.97x = 64,981,206,876,700.90 - Step 5: Solve for x
x = 64,981,206,876,700.90/8,463,251.97 - Step 6: Final answer
x = 7,678,042.33
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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.