Finding the Fourth Proportional to 18,245,714.97, 25,044,964.84 and 16,134,472.65
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Solution
The fourth proportional to 18,245,714.97, 25,044,964.84 and 16,134,472.65 is: 22,146,969.90
Step by Step Solution
- Step 1: Write the proportion equation
18,245,714.97 : 25,044,964.84 = 16,134,472.65 : x - Step 2: Convert to fraction form
18,245,714.97/25,044,964.84 = 16,134,472.65/x - Step 3: Cross multiply
18,245,714.97x = 25,044,964.84 × 16,134,472.65 - Step 4: Simplify right side
18,245,714.97x = 404,087,300,345,278.31 - Step 5: Solve for x
x = 404,087,300,345,278.31/18,245,714.97 - Step 6: Final answer
x = 22,146,969.90
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.