Finding the Fourth Proportional to 27,776,289.11, 41,495,494.36 and 17,981,104.84
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Solution
The fourth proportional to 27,776,289.11, 41,495,494.36 and 17,981,104.84 is: 26,862,293.65
Step by Step Solution
- Step 1: Write the proportion equation
27,776,289.11 : 41,495,494.36 = 17,981,104.84 : x - Step 2: Convert to fraction form
27,776,289.11/41,495,494.36 = 17,981,104.84/x - Step 3: Cross multiply
27,776,289.11x = 41,495,494.36 × 17,981,104.84 - Step 4: Simplify right side
27,776,289.11x = 746,134,834,474,788.62 - Step 5: Solve for x
x = 746,134,834,474,788.62/27,776,289.11 - Step 6: Final answer
x = 26,862,293.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.