Finding the Fourth Proportional to 8,045,195.70, 12,067,793.55 and 6,450,872.70
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Solution
The fourth proportional to 8,045,195.70, 12,067,793.55 and 6,450,872.70 is: 9,676,309.05
Step by Step Solution
- Step 1: Write the proportion equation
8,045,195.70 : 12,067,793.55 = 6,450,872.70 : x - Step 2: Convert to fraction form
8,045,195.70/12,067,793.55 = 6,450,872.70/x - Step 3: Cross multiply
8,045,195.70x = 12,067,793.55 × 6,450,872.70 - Step 4: Simplify right side
8,045,195.70x = 77,847,799,960,931.09 - Step 5: Solve for x
x = 77,847,799,960,931.09/8,045,195.70 - Step 6: Final answer
x = 9,676,309.05
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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.