Finding the Fourth Proportional to 8,465,517.23, 11,682,215.07 and 4,981,081.70
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Solution
The fourth proportional to 8,465,517.23, 11,682,215.07 and 4,981,081.70 is: 6,873,775.83
Step by Step Solution
- Step 1: Write the proportion equation
8,465,517.23 : 11,682,215.07 = 4,981,081.70 : x - Step 2: Convert to fraction form
8,465,517.23/11,682,215.07 = 4,981,081.70/x - Step 3: Cross multiply
8,465,517.23x = 11,682,215.07 × 4,981,081.70 - Step 4: Simplify right side
8,465,517.23x = 58,190,067,700,641.23 - Step 5: Solve for x
x = 58,190,067,700,641.23/8,465,517.23 - Step 6: Final answer
x = 6,873,775.83
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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.