Finding the Fourth Proportional to 10,966,557.46, 15,134,080.19 and 6,005,207.17
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Solution
The fourth proportional to 10,966,557.46, 15,134,080.19 and 6,005,207.17 is: 8,287,312.33
Step by Step Solution
- Step 1: Write the proportion equation
10,966,557.46 : 15,134,080.19 = 6,005,207.17 : x - Step 2: Convert to fraction form
10,966,557.46/15,134,080.19 = 6,005,207.17/x - Step 3: Cross multiply
10,966,557.46x = 15,134,080.19 × 6,005,207.17 - Step 4: Simplify right side
10,966,557.46x = 90,883,286,868,342.95 - Step 5: Solve for x
x = 90,883,286,868,342.95/10,966,557.46 - Step 6: Final answer
x = 8,287,312.33
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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.