Finding the Fourth Proportional to 17,815,537.80, 26,723,306.70 and 8,857,585.80
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Solution
The fourth proportional to 17,815,537.80, 26,723,306.70 and 8,857,585.80 is: 13,286,378.70
Step by Step Solution
- Step 1: Write the proportion equation
17,815,537.80 : 26,723,306.70 = 8,857,585.80 : x - Step 2: Convert to fraction form
17,815,537.80/26,723,306.70 = 8,857,585.80/x - Step 3: Cross multiply
17,815,537.80x = 26,723,306.70 × 8,857,585.80 - Step 4: Simplify right side
17,815,537.80x = 236,703,981,954,964.88 - Step 5: Solve for x
x = 236,703,981,954,964.88/17,815,537.80 - Step 6: Final answer
x = 13,286,378.70
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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.