Finding the Fourth Proportional to 7,861,876.41, 11,793,323.10 and 2,470,751.92
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Solution
The fourth proportional to 7,861,876.41, 11,793,323.10 and 2,470,751.92 is: 3,706,287.68
Step by Step Solution
- Step 1: Write the proportion equation
7,861,876.41 : 11,793,323.10 = 2,470,751.92 : x - Step 2: Convert to fraction form
7,861,876.41/11,793,323.10 = 2,470,751.92/x - Step 3: Cross multiply
7,861,876.41x = 11,793,323.10 × 2,470,751.92 - Step 4: Simplify right side
7,861,876.41x = 29,138,375,707,247.01 - Step 5: Solve for x
x = 29,138,375,707,247.01/7,861,876.41 - Step 6: Final answer
x = 3,706,287.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.