Finding the Fourth Proportional to 32,186,041.20, 48,287,615.40 and 13,982,425.20
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Solution
The fourth proportional to 32,186,041.20, 48,287,615.40 and 13,982,425.20 is: 20,977,353.70
Step by Step Solution
- Step 1: Write the proportion equation
32,186,041.20 : 48,287,615.40 = 13,982,425.20 : x - Step 2: Convert to fraction form
32,186,041.20/48,287,615.40 = 13,982,425.20/x - Step 3: Cross multiply
32,186,041.20x = 48,287,615.40 × 13,982,425.20 - Step 4: Simplify right side
32,186,041.20x = 675,177,970,416,868 - Step 5: Solve for x
x = 675,177,970,416,868/32,186,041.20 - Step 6: Final answer
x = 20,977,353.70
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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.