Finding the Fourth Proportional to 31,744,763.16, 47,536,376.88 and 20,929,249.84
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Solution
The fourth proportional to 31,744,763.16, 47,536,376.88 and 20,929,249.84 is: 31,340,624.69
Step by Step Solution
- Step 1: Write the proportion equation
31,744,763.16 : 47,536,376.88 = 20,929,249.84 : x - Step 2: Convert to fraction form
31,744,763.16/47,536,376.88 = 20,929,249.84/x - Step 3: Cross multiply
31,744,763.16x = 47,536,376.88 × 20,929,249.84 - Step 4: Simplify right side
31,744,763.16x = 994,900,708,209,919.75 - Step 5: Solve for x
x = 994,900,708,209,919.75/31,744,763.16 - Step 6: Final answer
x = 31,340,624.69
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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.