Finding the Fourth Proportional to 39,780,523.14, 54,850,153.10 and 27,227,624.73
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Solution
The fourth proportional to 39,780,523.14, 54,850,153.10 and 27,227,624.73 is: 37,541,974.49
Step by Step Solution
- Step 1: Write the proportion equation
39,780,523.14 : 54,850,153.10 = 27,227,624.73 : x - Step 2: Convert to fraction form
39,780,523.14/54,850,153.10 = 27,227,624.73/x - Step 3: Cross multiply
39,780,523.14x = 54,850,153.10 × 27,227,624.73 - Step 4: Simplify right side
39,780,523.14x = 1,493,439,384,989,846.25 - Step 5: Solve for x
x = 1,493,439,384,989,846.25/39,780,523.14 - Step 6: Final answer
x = 37,541,974.49
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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.