Finding the Fourth Proportional to 8,436,159.20, 11,641,755.76 and 4,568,648.96
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Solution
The fourth proportional to 8,436,159.20, 11,641,755.76 and 4,568,648.96 is: 6,304,657.62
Step by Step Solution
- Step 1: Write the proportion equation
8,436,159.20 : 11,641,755.76 = 4,568,648.96 : x - Step 2: Convert to fraction form
8,436,159.20/11,641,755.76 = 4,568,648.96/x - Step 3: Cross multiply
8,436,159.20x = 11,641,755.76 × 4,568,648.96 - Step 4: Simplify right side
8,436,159.20x = 53,187,095,345,498.01 - Step 5: Solve for x
x = 53,187,095,345,498.01/8,436,159.20 - Step 6: Final answer
x = 6,304,657.62
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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.