Finding the Fourth Proportional to 10,982,693.97, 16,474,213.62 and 4,157,434.71
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Solution
The fourth proportional to 10,982,693.97, 16,474,213.62 and 4,157,434.71 is: 6,236,217.43
Step by Step Solution
- Step 1: Write the proportion equation
10,982,693.97 : 16,474,213.62 = 4,157,434.71 : x - Step 2: Convert to fraction form
10,982,693.97/16,474,213.62 = 4,157,434.71/x - Step 3: Cross multiply
10,982,693.97x = 16,474,213.62 × 4,157,434.71 - Step 4: Simplify right side
10,982,693.97x = 68,490,467,523,742.75 - Step 5: Solve for x
x = 68,490,467,523,742.75/10,982,693.97 - Step 6: Final answer
x = 6,236,217.43
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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.