Home / 8,764,439.40-13,147,337.76-2,928,645.36

Finding the Fourth Proportional to 8,764,439.40, 13,147,337.76 and 2,928,645.36

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Solution

The fourth proportional to 8,764,439.40, 13,147,337.76 and 2,928,645.36 is: 4,393,194.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,439.40 : 13,147,337.76 = 2,928,645.36 : x
  2. Step 2: Convert to fraction form
    8,764,439.40/13,147,337.76 = 2,928,645.36/x
  3. Step 3: Cross multiply
    8,764,439.40x = 13,147,337.76 × 2,928,645.36
  4. Step 4: Simplify right side
    8,764,439.40x = 38,503,889,727,176.79
  5. Step 5: Solve for x
    x = 38,503,889,727,176.79/8,764,439.40
  6. Step 6: Final answer
    x = 4,393,194.81

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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.