Finding the Fourth Proportional to 25,709,658.80, 38,564,714.19 and 6,540,436.13
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Solution
The fourth proportional to 25,709,658.80, 38,564,714.19 and 6,540,436.13 is: 9,810,711.68
Step by Step Solution
- Step 1: Write the proportion equation
25,709,658.80 : 38,564,714.19 = 6,540,436.13 : x - Step 2: Convert to fraction form
25,709,658.80/38,564,714.19 = 6,540,436.13/x - Step 3: Cross multiply
25,709,658.80x = 38,564,714.19 × 6,540,436.13 - Step 4: Simplify right side
25,709,658.80x = 252,230,049,838,576.09 - Step 5: Solve for x
x = 252,230,049,838,576.09/25,709,658.80 - Step 6: Final answer
x = 9,810,711.68
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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.