Home / 7,319,987.20-10,972,107.60-2,769,277.60

Finding the Fourth Proportional to 7,319,987.20, 10,972,107.60 and 2,769,277.60

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Solution

The fourth proportional to 7,319,987.20, 10,972,107.60 and 2,769,277.60 is: 4,150,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319,987.20 : 10,972,107.60 = 2,769,277.60 : x
  2. Step 2: Convert to fraction form
    7,319,987.20/10,972,107.60 = 2,769,277.60/x
  3. Step 3: Cross multiply
    7,319,987.20x = 10,972,107.60 × 2,769,277.60
  4. Step 4: Simplify right side
    7,319,987.20x = 30,384,811,801,469.76
  5. Step 5: Solve for x
    x = 30,384,811,801,469.76/7,319,987.20
  6. Step 6: Final answer
    x = 4,150,937.83

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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.