Finding the Fourth Proportional to 12,067,660.25, 18,102,048.05 and 3,981,342.56
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Solution
The fourth proportional to 12,067,660.25, 18,102,048.05 and 3,981,342.56 is: 5,972,197.82
Step by Step Solution
- Step 1: Write the proportion equation
12,067,660.25 : 18,102,048.05 = 3,981,342.56 : x - Step 2: Convert to fraction form
12,067,660.25/18,102,048.05 = 3,981,342.56/x - Step 3: Cross multiply
12,067,660.25x = 18,102,048.05 × 3,981,342.56 - Step 4: Simplify right side
12,067,660.25x = 72,070,454,214,213.06 - Step 5: Solve for x
x = 72,070,454,214,213.06/12,067,660.25 - Step 6: Final answer
x = 5,972,197.82
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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.