Finding the Fourth Proportional to 8,262,138.60, 12,393,207.90 and 2,582,353.80
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Solution
The fourth proportional to 8,262,138.60, 12,393,207.90 and 2,582,353.80 is: 3,873,530.70
Step by Step Solution
- Step 1: Write the proportion equation
8,262,138.60 : 12,393,207.90 = 2,582,353.80 : x - Step 2: Convert to fraction form
8,262,138.60/12,393,207.90 = 2,582,353.80/x - Step 3: Cross multiply
8,262,138.60x = 12,393,207.90 × 2,582,353.80 - Step 4: Simplify right side
8,262,138.60x = 32,003,647,514,755.02 - Step 5: Solve for x
x = 32,003,647,514,755.02/8,262,138.60 - Step 6: Final answer
x = 3,873,530.70
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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.