Finding the Fourth Proportional to 39,172,622.75, 54,001,245.78 and 27,375,264.05
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Solution
The fourth proportional to 39,172,622.75, 54,001,245.78 and 27,375,264.05 is: 37,738,049.14
Step by Step Solution
- Step 1: Write the proportion equation
39,172,622.75 : 54,001,245.78 = 27,375,264.05 : x - Step 2: Convert to fraction form
39,172,622.75/54,001,245.78 = 27,375,264.05/x - Step 3: Cross multiply
39,172,622.75x = 54,001,245.78 × 27,375,264.05 - Step 4: Simplify right side
39,172,622.75x = 1,478,298,361,986,442 - Step 5: Solve for x
x = 1,478,298,361,986,442/39,172,622.75 - Step 6: Final answer
x = 37,738,049.14
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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.