Home / 8,199,338.20-12,299,007.30-6,286,150.60

Finding the Fourth Proportional to 8,199,338.20, 12,299,007.30 and 6,286,150.60

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Solution

The fourth proportional to 8,199,338.20, 12,299,007.30 and 6,286,150.60 is: 9,429,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,338.20 : 12,299,007.30 = 6,286,150.60 : x
  2. Step 2: Convert to fraction form
    8,199,338.20/12,299,007.30 = 6,286,150.60/x
  3. Step 3: Cross multiply
    8,199,338.20x = 12,299,007.30 × 6,286,150.60
  4. Step 4: Simplify right side
    8,199,338.20x = 77,313,412,118,299.38
  5. Step 5: Solve for x
    x = 77,313,412,118,299.38/8,199,338.20
  6. Step 6: Final answer
    x = 9,429,225.90

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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.