Home / 20,332,231.20-30,498,152.40-4,979,588.40

Finding the Fourth Proportional to 20,332,231.20, 30,498,152.40 and 4,979,588.40

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Solution

The fourth proportional to 20,332,231.20, 30,498,152.40 and 4,979,588.40 is: 7,469,334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,231.20 : 30,498,152.40 = 4,979,588.40 : x
  2. Step 2: Convert to fraction form
    20,332,231.20/30,498,152.40 = 4,979,588.40/x
  3. Step 3: Cross multiply
    20,332,231.20x = 30,498,152.40 × 4,979,588.40
  4. Step 4: Simplify right side
    20,332,231.20x = 151,868,245,912,472.16
  5. Step 5: Solve for x
    x = 151,868,245,912,472.16/20,332,231.20
  6. Step 6: Final answer
    x = 7,469,334.99

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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.