Finding the Fourth Proportional to 8,117,432.29, 12,177,714.98 and 2,651,057.53
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Solution
The fourth proportional to 8,117,432.29, 12,177,714.98 and 2,651,057.53 is: 3,977,097.92
Step by Step Solution
- Step 1: Write the proportion equation
8,117,432.29 : 12,177,714.98 = 2,651,057.53 : x - Step 2: Convert to fraction form
8,117,432.29/12,177,714.98 = 2,651,057.53/x - Step 3: Cross multiply
8,117,432.29x = 12,177,714.98 × 2,651,057.53 - Step 4: Simplify right side
8,117,432.29x = 32,283,823,026,367.09 - Step 5: Solve for x
x = 32,283,823,026,367.09/8,117,432.29 - Step 6: Final answer
x = 3,977,097.92
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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.