Finding the Fourth Proportional to 18,440,449.20, 27,597,688.20 and 16,172,967.60
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Solution
The fourth proportional to 18,440,449.20, 27,597,688.20 and 16,172,967.60 is: 24,204,210.66
Step by Step Solution
- Step 1: Write the proportion equation
18,440,449.20 : 27,597,688.20 = 16,172,967.60 : x - Step 2: Convert to fraction form
18,440,449.20/27,597,688.20 = 16,172,967.60/x - Step 3: Cross multiply
18,440,449.20x = 27,597,688.20 × 16,172,967.60 - Step 4: Simplify right side
18,440,449.20x = 446,336,517,093,502.31 - Step 5: Solve for x
x = 446,336,517,093,502.31/18,440,449.20 - Step 6: Final answer
x = 24,204,210.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.