Home / 18,108,002.20-27,162,003.30-5,979,337.60

Finding the Fourth Proportional to 18,108,002.20, 27,162,003.30 and 5,979,337.60

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Solution

The fourth proportional to 18,108,002.20, 27,162,003.30 and 5,979,337.60 is: 8,969,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108,002.20 : 27,162,003.30 = 5,979,337.60 : x
  2. Step 2: Convert to fraction form
    18,108,002.20/27,162,003.30 = 5,979,337.60/x
  3. Step 3: Cross multiply
    18,108,002.20x = 27,162,003.30 × 5,979,337.60
  4. Step 4: Simplify right side
    18,108,002.20x = 162,410,787,623,014.06
  5. Step 5: Solve for x
    x = 162,410,787,623,014.06/18,108,002.20
  6. Step 6: Final answer
    x = 8,969,006.40

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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.