Finding the Fourth Proportional to 18,508,458.29, 27,744,566.16 and 7,728,841.90
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Solution
The fourth proportional to 18,508,458.29, 27,744,566.16 and 7,728,841.90 is: 11,585,695.69
Step by Step Solution
- Step 1: Write the proportion equation
18,508,458.29 : 27,744,566.16 = 7,728,841.90 : x - Step 2: Convert to fraction form
18,508,458.29/27,744,566.16 = 7,728,841.90/x - Step 3: Cross multiply
18,508,458.29x = 27,744,566.16 × 7,728,841.90 - Step 4: Simplify right side
18,508,458.29x = 214,433,365,454,919.22 - Step 5: Solve for x
x = 214,433,365,454,919.22/18,508,458.29 - Step 6: Final answer
x = 11,585,695.69
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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.