Finding the Fourth Proportional to 12,282,672.87, 18,386,217.95 and 8,013,648.87
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Solution
The fourth proportional to 12,282,672.87, 18,386,217.95 and 8,013,648.87 is: 11,995,816.89
Step by Step Solution
- Step 1: Write the proportion equation
12,282,672.87 : 18,386,217.95 = 8,013,648.87 : x - Step 2: Convert to fraction form
12,282,672.87/18,386,217.95 = 8,013,648.87/x - Step 3: Cross multiply
12,282,672.87x = 18,386,217.95 × 8,013,648.87 - Step 4: Simplify right side
12,282,672.87x = 147,340,694,658,522.97 - Step 5: Solve for x
x = 147,340,694,658,522.97/12,282,672.87 - Step 6: Final answer
x = 11,995,816.89
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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.