Finding the Fourth Proportional to 15,717,586.05, 21,690,235.92 and 8,842,068.11
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Solution
The fourth proportional to 15,717,586.05, 21,690,235.92 and 8,842,068.11 is: 12,202,035.52
Step by Step Solution
- Step 1: Write the proportion equation
15,717,586.05 : 21,690,235.92 = 8,842,068.11 : x - Step 2: Convert to fraction form
15,717,586.05/21,690,235.92 = 8,842,068.11/x - Step 3: Cross multiply
15,717,586.05x = 21,690,235.92 × 8,842,068.11 - Step 4: Simplify right side
15,717,586.05x = 191,786,543,326,608.50 - Step 5: Solve for x
x = 191,786,543,326,608.50/15,717,586.05 - Step 6: Final answer
x = 12,202,035.52
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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.