Finding the Fourth Proportional to 39,288,119.18, 54,218,166.17 and 22,545,587.12
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Solution
The fourth proportional to 39,288,119.18, 54,218,166.17 and 22,545,587.12 is: 31,113,232.55
Step by Step Solution
- Step 1: Write the proportion equation
39,288,119.18 : 54,218,166.17 = 22,545,587.12 : x - Step 2: Convert to fraction form
39,288,119.18/54,218,166.17 = 22,545,587.12/x - Step 3: Cross multiply
39,288,119.18x = 54,218,166.17 × 22,545,587.12 - Step 4: Simplify right side
39,288,119.18x = 1,222,380,388,488,552.75 - Step 5: Solve for x
x = 1,222,380,388,488,552.75/39,288,119.18 - Step 6: Final answer
x = 31,113,232.55
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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.