Home / 18,108,001.20-27,162,001.80-5,979,336.60

Finding the Fourth Proportional to 18,108,001.20, 27,162,001.80 and 5,979,336.60

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Solution

The fourth proportional to 18,108,001.20, 27,162,001.80 and 5,979,336.60 is: 8,969,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108,001.20 : 27,162,001.80 = 5,979,336.60 : x
  2. Step 2: Convert to fraction form
    18,108,001.20/27,162,001.80 = 5,979,336.60/x
  3. Step 3: Cross multiply
    18,108,001.20x = 27,162,001.80 × 5,979,336.60
  4. Step 4: Simplify right side
    18,108,001.20x = 162,410,751,492,005.88
  5. Step 5: Solve for x
    x = 162,410,751,492,005.88/18,108,001.20
  6. Step 6: Final answer
    x = 8,969,004.90

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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.