Home / 20,454,452.08-30,673,704.46-7,667,980

Finding the Fourth Proportional to 20,454,452.08, 30,673,704.46 and 7,667,980

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Solution

The fourth proportional to 20,454,452.08, 30,673,704.46 and 7,667,980 is: 11,498,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454,452.08 : 30,673,704.46 = 7,667,980 : x
  2. Step 2: Convert to fraction form
    20,454,452.08/30,673,704.46 = 7,667,980/x
  3. Step 3: Cross multiply
    20,454,452.08x = 30,673,704.46 × 7,667,980
  4. Step 4: Simplify right side
    20,454,452.08x = 235,205,352,325,190.81
  5. Step 5: Solve for x
    x = 235,205,352,325,190.81/20,454,452.08
  6. Step 6: Final answer
    x = 11,498,980.83

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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.