Home / 5,321,000.20-7,981,500.30-5,027,067.40

Finding the Fourth Proportional to 5,321,000.20, 7,981,500.30 and 5,027,067.40

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Solution

The fourth proportional to 5,321,000.20, 7,981,500.30 and 5,027,067.40 is: 7,540,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,000.20 : 7,981,500.30 = 5,027,067.40 : x
  2. Step 2: Convert to fraction form
    5,321,000.20/7,981,500.30 = 5,027,067.40/x
  3. Step 3: Cross multiply
    5,321,000.20x = 7,981,500.30 × 5,027,067.40
  4. Step 4: Simplify right side
    5,321,000.20x = 40,123,539,961,220.22
  5. Step 5: Solve for x
    x = 40,123,539,961,220.22/5,321,000.20
  6. Step 6: Final answer
    x = 7,540,601.10

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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.