Finding the Fourth Proportional to 16,057,754.47, 22,159,645.04 and 8,715,587.21
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Solution
The fourth proportional to 16,057,754.47, 22,159,645.04 and 8,715,587.21 is: 12,027,479.88
Step by Step Solution
- Step 1: Write the proportion equation
16,057,754.47 : 22,159,645.04 = 8,715,587.21 : x - Step 2: Convert to fraction form
16,057,754.47/22,159,645.04 = 8,715,587.21/x - Step 3: Cross multiply
16,057,754.47x = 22,159,645.04 × 8,715,587.21 - Step 4: Simplify right side
16,057,754.47x = 193,134,318,734,387.78 - Step 5: Solve for x
x = 193,134,318,734,387.78/16,057,754.47 - Step 6: Final answer
x = 12,027,479.88
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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.