Home / 16,816,972.20-25,209,711.90-13,171,680.60

Finding the Fourth Proportional to 16,816,972.20, 25,209,711.90 and 13,171,680.60

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Solution

The fourth proportional to 16,816,972.20, 25,209,711.90 and 13,171,680.60 is: 19,745,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816,972.20 : 25,209,711.90 = 13,171,680.60 : x
  2. Step 2: Convert to fraction form
    16,816,972.20/25,209,711.90 = 13,171,680.60/x
  3. Step 3: Cross multiply
    16,816,972.20x = 25,209,711.90 × 13,171,680.60
  4. Step 4: Simplify right side
    16,816,972.20x = 332,054,273,164,819.12
  5. Step 5: Solve for x
    x = 332,054,273,164,819.12/16,816,972.20
  6. Step 6: Final answer
    x = 19,745,187.73

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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.