Finding the Fourth Proportional to 8,311,148.24, 12,474,385.87 and 4,215,343.92
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Solution
The fourth proportional to 8,311,148.24, 12,474,385.87 and 4,215,343.92 is: 6,326,902.75
Step by Step Solution
- Step 1: Write the proportion equation
8,311,148.24 : 12,474,385.87 = 4,215,343.92 : x - Step 2: Convert to fraction form
8,311,148.24/12,474,385.87 = 4,215,343.92/x - Step 3: Cross multiply
8,311,148.24x = 12,474,385.87 × 4,215,343.92 - Step 4: Simplify right side
8,311,148.24x = 52,583,826,676,982.77 - Step 5: Solve for x
x = 52,583,826,676,982.77/8,311,148.24 - Step 6: Final answer
x = 6,326,902.75
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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.