Finding the Fourth Proportional to 14,582,254.28, 21,868,315.88 and 8,115,198.62
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Solution
The fourth proportional to 14,582,254.28, 21,868,315.88 and 8,115,198.62 is: 12,169,978.89
Step by Step Solution
- Step 1: Write the proportion equation
14,582,254.28 : 21,868,315.88 = 8,115,198.62 : x - Step 2: Convert to fraction form
14,582,254.28/21,868,315.88 = 8,115,198.62/x - Step 3: Cross multiply
14,582,254.28x = 21,868,315.88 × 8,115,198.62 - Step 4: Simplify right side
14,582,254.28x = 177,465,726,701,182.53 - Step 5: Solve for x
x = 177,465,726,701,182.53/14,582,254.28 - Step 6: Final answer
x = 12,169,978.89
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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.