Home / 18,108,000.20-27,162,000.30-5,979,335.60

Finding the Fourth Proportional to 18,108,000.20, 27,162,000.30 and 5,979,335.60

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Solution

The fourth proportional to 18,108,000.20, 27,162,000.30 and 5,979,335.60 is: 8,969,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108,000.20 : 27,162,000.30 = 5,979,335.60 : x
  2. Step 2: Convert to fraction form
    18,108,000.20/27,162,000.30 = 5,979,335.60/x
  3. Step 3: Cross multiply
    18,108,000.20x = 27,162,000.30 × 5,979,335.60
  4. Step 4: Simplify right side
    18,108,000.20x = 162,410,715,361,000.69
  5. Step 5: Solve for x
    x = 162,410,715,361,000.69/18,108,000.20
  6. Step 6: Final answer
    x = 8,969,003.40

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1.5x scale

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.