Home / 20,162,067.20-30,239,601.60-7,375,990.40

Finding the Fourth Proportional to 20,162,067.20, 30,239,601.60 and 7,375,990.40

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Solution

The fourth proportional to 20,162,067.20, 30,239,601.60 and 7,375,990.40 is: 11,062,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,067.20 : 30,239,601.60 = 7,375,990.40 : x
  2. Step 2: Convert to fraction form
    20,162,067.20/30,239,601.60 = 7,375,990.40/x
  3. Step 3: Cross multiply
    20,162,067.20x = 30,239,601.60 × 7,375,990.40
  4. Step 4: Simplify right side
    20,162,067.20x = 223,047,011,101,424.66
  5. Step 5: Solve for x
    x = 223,047,011,101,424.66/20,162,067.20
  6. Step 6: Final answer
    x = 11,062,705.47

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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.