Home / 20,167,067.40-30,250,601.10-5,020,998.90

Finding the Fourth Proportional to 20,167,067.40, 30,250,601.10 and 5,020,998.90

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Solution

The fourth proportional to 20,167,067.40, 30,250,601.10 and 5,020,998.90 is: 7,531,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167,067.40 : 30,250,601.10 = 5,020,998.90 : x
  2. Step 2: Convert to fraction form
    20,167,067.40/30,250,601.10 = 5,020,998.90/x
  3. Step 3: Cross multiply
    20,167,067.40x = 30,250,601.10 × 5,020,998.90
  4. Step 4: Simplify right side
    20,167,067.40x = 151,888,234,847,438.81
  5. Step 5: Solve for x
    x = 151,888,234,847,438.81/20,167,067.40
  6. Step 6: Final answer
    x = 7,531,498.35

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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.