Finding the Fourth Proportional to 18,940,318.02, 26,135,688.42 and 13,981,397.58
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Solution
The fourth proportional to 18,940,318.02, 26,135,688.42 and 13,981,397.58 is: 19,292,888.88
Step by Step Solution
- Step 1: Write the proportion equation
18,940,318.02 : 26,135,688.42 = 13,981,397.58 : x - Step 2: Convert to fraction form
18,940,318.02/26,135,688.42 = 13,981,397.58/x - Step 3: Cross multiply
18,940,318.02x = 26,135,688.42 × 13,981,397.58 - Step 4: Simplify right side
18,940,318.02x = 365,413,450,827,022.06 - Step 5: Solve for x
x = 365,413,450,827,022.06/18,940,318.02 - Step 6: Final answer
x = 19,292,888.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.