Finding the Fourth Proportional to 15,176,711.45, 22,753,847.86 and 7,879,694.38
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Solution
The fourth proportional to 15,176,711.45, 22,753,847.86 and 7,879,694.38 is: 11,813,716.53
Step by Step Solution
- Step 1: Write the proportion equation
15,176,711.45 : 22,753,847.86 = 7,879,694.38 : x - Step 2: Convert to fraction form
15,176,711.45/22,753,847.86 = 7,879,694.38/x - Step 3: Cross multiply
15,176,711.45x = 22,753,847.86 × 7,879,694.38 - Step 4: Simplify right side
15,176,711.45x = 179,293,367,029,233.19 - Step 5: Solve for x
x = 179,293,367,029,233.19/15,176,711.45 - Step 6: Final answer
x = 11,813,716.53
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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.