Finding the Fourth Proportional to 10,624,113.12, 15,936,135.12 and 6,365,560.80
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Solution
The fourth proportional to 10,624,113.12, 15,936,135.12 and 6,365,560.80 is: 9,548,320.49
Step by Step Solution
- Step 1: Write the proportion equation
10,624,113.12 : 15,936,135.12 = 6,365,560.80 : x - Step 2: Convert to fraction form
10,624,113.12/15,936,135.12 = 6,365,560.80/x - Step 3: Cross multiply
10,624,113.12x = 15,936,135.12 × 6,365,560.80 - Step 4: Simplify right side
10,624,113.12x = 101,442,437,023,375.28 - Step 5: Solve for x
x = 101,442,437,023,375.28/10,624,113.12 - Step 6: Final answer
x = 9,548,320.49
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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.