Finding the Fourth Proportional to 49,676,742.72, 68,553,381.24 and 27,649,891.08
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Solution
The fourth proportional to 49,676,742.72, 68,553,381.24 and 27,649,891.08 is: 38,156,558.19
Step by Step Solution
- Step 1: Write the proportion equation
49,676,742.72 : 68,553,381.24 = 27,649,891.08 : x - Step 2: Convert to fraction form
49,676,742.72/68,553,381.24 = 27,649,891.08/x - Step 3: Cross multiply
49,676,742.72x = 68,553,381.24 × 27,649,891.08 - Step 4: Simplify right side
49,676,742.72x = 1,895,493,524,451,715 - Step 5: Solve for x
x = 1,895,493,524,451,715/49,676,742.72 - Step 6: Final answer
x = 38,156,558.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.