Finding the Fourth Proportional to 7,486,434.92, 10,331,311.33 and 4,048,675.95
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Solution
The fourth proportional to 7,486,434.92, 10,331,311.33 and 4,048,675.95 is: 5,587,189.65
Step by Step Solution
- Step 1: Write the proportion equation
7,486,434.92 : 10,331,311.33 = 4,048,675.95 : x - Step 2: Convert to fraction form
7,486,434.92/10,331,311.33 = 4,048,675.95/x - Step 3: Cross multiply
7,486,434.92x = 10,331,311.33 × 4,048,675.95 - Step 4: Simplify right side
7,486,434.92x = 41,828,131,696,020.56 - Step 5: Solve for x
x = 41,828,131,696,020.56/7,486,434.92 - Step 6: Final answer
x = 5,587,189.65
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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.