Finding the Fourth Proportional to 11,160,974.80, 16,741,474.35 and 4,429,388.80
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Solution
The fourth proportional to 11,160,974.80, 16,741,474.35 and 4,429,388.80 is: 6,644,088.02
Step by Step Solution
- Step 1: Write the proportion equation
11,160,974.80 : 16,741,474.35 = 4,429,388.80 : x - Step 2: Convert to fraction form
11,160,974.80/16,741,474.35 = 4,429,388.80/x - Step 3: Cross multiply
11,160,974.80x = 16,741,474.35 × 4,429,388.80 - Step 4: Simplify right side
11,160,974.80x = 74,154,498,981,377.28 - Step 5: Solve for x
x = 74,154,498,981,377.28/11,160,974.80 - Step 6: Final answer
x = 6,644,088.02
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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.