Home / 12,591,049.20-18,858,580.20-9,741,922.80

Finding the Fourth Proportional to 12,591,049.20, 18,858,580.20 and 9,741,922.80

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Solution

The fourth proportional to 12,591,049.20, 18,858,580.20 and 9,741,922.80 is: 14,591,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,049.20 : 18,858,580.20 = 9,741,922.80 : x
  2. Step 2: Convert to fraction form
    12,591,049.20/18,858,580.20 = 9,741,922.80/x
  3. Step 3: Cross multiply
    12,591,049.20x = 18,858,580.20 × 9,741,922.80
  4. Step 4: Simplify right side
    12,591,049.20x = 183,718,832,426,008.56
  5. Step 5: Solve for x
    x = 183,718,832,426,008.56/12,591,049.20
  6. Step 6: Final answer
    x = 14,591,225.04

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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.