Finding the Fourth Proportional to 9,679,170.40, 14,518,691.01 and 3,921,819.09
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Solution
The fourth proportional to 9,679,170.40, 14,518,691.01 and 3,921,819.09 is: 5,882,702.46
Step by Step Solution
- Step 1: Write the proportion equation
9,679,170.40 : 14,518,691.01 = 3,921,819.09 : x - Step 2: Convert to fraction form
9,679,170.40/14,518,691.01 = 3,921,819.09/x - Step 3: Cross multiply
9,679,170.40x = 14,518,691.01 × 3,921,819.09 - Step 4: Simplify right side
9,679,170.40x = 56,939,679,525,091.12 - Step 5: Solve for x
x = 56,939,679,525,091.12/9,679,170.40 - Step 6: Final answer
x = 5,882,702.46
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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.