Finding the Fourth Proportional to 7,306,279.38, 10,914,617.97 and 5,267,120.58
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Solution
The fourth proportional to 7,306,279.38, 10,914,617.97 and 5,267,120.58 is: 7,868,383.61
Step by Step Solution
- Step 1: Write the proportion equation
7,306,279.38 : 10,914,617.97 = 5,267,120.58 : x - Step 2: Convert to fraction form
7,306,279.38/10,914,617.97 = 5,267,120.58/x - Step 3: Cross multiply
7,306,279.38x = 10,914,617.97 × 5,267,120.58 - Step 4: Simplify right side
7,306,279.38x = 57,488,608,932,624.83 - Step 5: Solve for x
x = 57,488,608,932,624.83/7,306,279.38 - Step 6: Final answer
x = 7,868,383.61
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.