Home / 12,485,640.28-18,729,961.08-4,396,944.28

Finding the Fourth Proportional to 12,485,640.28, 18,729,961.08 and 4,396,944.28

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Solution

The fourth proportional to 12,485,640.28, 18,729,961.08 and 4,396,944.28 is: 6,595,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,640.28 : 18,729,961.08 = 4,396,944.28 : x
  2. Step 2: Convert to fraction form
    12,485,640.28/18,729,961.08 = 4,396,944.28/x
  3. Step 3: Cross multiply
    12,485,640.28x = 18,729,961.08 × 4,396,944.28
  4. Step 4: Simplify right side
    12,485,640.28x = 82,354,595,235,328.62
  5. Step 5: Solve for x
    x = 82,354,595,235,328.62/12,485,640.28
  6. Step 6: Final answer
    x = 6,595,944.89

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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.