Finding the Fourth Proportional to 10,478,276.10, 15,717,414.15 and 4,419,848.70
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Solution
The fourth proportional to 10,478,276.10, 15,717,414.15 and 4,419,848.70 is: 6,629,773.05
Step by Step Solution
- Step 1: Write the proportion equation
10,478,276.10 : 15,717,414.15 = 4,419,848.70 : x - Step 2: Convert to fraction form
10,478,276.10/15,717,414.15 = 4,419,848.70/x - Step 3: Cross multiply
10,478,276.10x = 15,717,414.15 × 4,419,848.70 - Step 4: Simplify right side
10,478,276.10x = 69,468,592,498,239.11 - Step 5: Solve for x
x = 69,468,592,498,239.11/10,478,276.10 - Step 6: Final answer
x = 6,629,773.05
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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.