Home / 13,454,744.20-20,178,179.70-4,817,843.80

Finding the Fourth Proportional to 13,454,744.20, 20,178,179.70 and 4,817,843.80

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Solution

The fourth proportional to 13,454,744.20, 20,178,179.70 and 4,817,843.80 is: 7,225,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454,744.20 : 20,178,179.70 = 4,817,843.80 : x
  2. Step 2: Convert to fraction form
    13,454,744.20/20,178,179.70 = 4,817,843.80/x
  3. Step 3: Cross multiply
    13,454,744.20x = 20,178,179.70 × 4,817,843.80
  4. Step 4: Simplify right side
    13,454,744.20x = 97,215,317,962,930.86
  5. Step 5: Solve for x
    x = 97,215,317,962,930.86/13,454,744.20
  6. Step 6: Final answer
    x = 7,225,356.09

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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.