Finding the Fourth Proportional to 15,034,608.66, 22,545,139.22 and 8,972,139.54
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Solution
The fourth proportional to 15,034,608.66, 22,545,139.22 and 8,972,139.54 is: 13,454,166.96
Step by Step Solution
- Step 1: Write the proportion equation
15,034,608.66 : 22,545,139.22 = 8,972,139.54 : x - Step 2: Convert to fraction form
15,034,608.66/22,545,139.22 = 8,972,139.54/x - Step 3: Cross multiply
15,034,608.66x = 22,545,139.22 × 8,972,139.54 - Step 4: Simplify right side
15,034,608.66x = 202,278,135,030,566.72 - Step 5: Solve for x
x = 202,278,135,030,566.72/15,034,608.66 - Step 6: Final answer
x = 13,454,166.96
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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.