Finding the Fourth Proportional to 12,073,754.24, 16,660,267.49 and 8,162,021.45
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Solution
The fourth proportional to 12,073,754.24, 16,660,267.49 and 8,162,021.45 is: 11,262,566.54
Step by Step Solution
- Step 1: Write the proportion equation
12,073,754.24 : 16,660,267.49 = 8,162,021.45 : x - Step 2: Convert to fraction form
12,073,754.24/16,660,267.49 = 8,162,021.45/x - Step 3: Cross multiply
12,073,754.24x = 16,660,267.49 × 8,162,021.45 - Step 4: Simplify right side
12,073,754.24x = 135,981,460,553,221.38 - Step 5: Solve for x
x = 135,981,460,553,221.38/12,073,754.24 - Step 6: Final answer
x = 11,262,566.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.