Finding the Fourth Proportional to 39,143,687.40, 58,715,531.10 and 24,594,013.80
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Solution
The fourth proportional to 39,143,687.40, 58,715,531.10 and 24,594,013.80 is: 36,891,020.70
Step by Step Solution
- Step 1: Write the proportion equation
39,143,687.40 : 58,715,531.10 = 24,594,013.80 : x - Step 2: Convert to fraction form
39,143,687.40/58,715,531.10 = 24,594,013.80/x - Step 3: Cross multiply
39,143,687.40x = 58,715,531.10 × 24,594,013.80 - Step 4: Simplify right side
39,143,687.40x = 1,444,050,582,147,729.25 - Step 5: Solve for x
x = 1,444,050,582,147,729.25/39,143,687.40 - Step 6: Final answer
x = 36,891,020.70
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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.