Home / 12,503,947.20-18,756,439.20-3,984,043.20

Finding the Fourth Proportional to 12,503,947.20, 18,756,439.20 and 3,984,043.20

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Solution

The fourth proportional to 12,503,947.20, 18,756,439.20 and 3,984,043.20 is: 5,976,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503,947.20 : 18,756,439.20 = 3,984,043.20 : x
  2. Step 2: Convert to fraction form
    12,503,947.20/18,756,439.20 = 3,984,043.20/x
  3. Step 3: Cross multiply
    12,503,947.20x = 18,756,439.20 × 3,984,043.20
  4. Step 4: Simplify right side
    12,503,947.20x = 74,726,464,050,973.44
  5. Step 5: Solve for x
    x = 74,726,464,050,973.44/12,503,947.20
  6. Step 6: Final answer
    x = 5,976,229.97

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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.