Finding the Fourth Proportional to 32,591,938.20, 48,887,907.30 and 12,394,555.80
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Solution
The fourth proportional to 32,591,938.20, 48,887,907.30 and 12,394,555.80 is: 18,591,833.70
Step by Step Solution
- Step 1: Write the proportion equation
32,591,938.20 : 48,887,907.30 = 12,394,555.80 : x - Step 2: Convert to fraction form
32,591,938.20/48,887,907.30 = 12,394,555.80/x - Step 3: Cross multiply
32,591,938.20x = 48,887,907.30 × 12,394,555.80 - Step 4: Simplify right side
32,591,938.20x = 605,943,894,975,077.38 - Step 5: Solve for x
x = 605,943,894,975,077.38/32,591,938.20 - Step 6: Final answer
x = 18,591,833.70
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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.