Finding the Fourth Proportional to 7,981,453.85, 11,969,658.18 and 2,863,769.36
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Solution
The fourth proportional to 7,981,453.85, 11,969,658.18 and 2,863,769.36 is: 4,294,748.92
Step by Step Solution
- Step 1: Write the proportion equation
7,981,453.85 : 11,969,658.18 = 2,863,769.36 : x - Step 2: Convert to fraction form
7,981,453.85/11,969,658.18 = 2,863,769.36/x - Step 3: Cross multiply
7,981,453.85x = 11,969,658.18 × 2,863,769.36 - Step 4: Simplify right side
7,981,453.85x = 34,278,340,285,709.07 - Step 5: Solve for x
x = 34,278,340,285,709.07/7,981,453.85 - Step 6: Final answer
x = 4,294,748.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.