Home / 27,229,267.20-40,787,913.60-18,719,212.80

Finding the Fourth Proportional to 27,229,267.20, 40,787,913.60 and 18,719,212.80

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Solution

The fourth proportional to 27,229,267.20, 40,787,913.60 and 18,719,212.80 is: 28,040,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,229,267.20 : 40,787,913.60 = 18,719,212.80 : x
  2. Step 2: Convert to fraction form
    27,229,267.20/40,787,913.60 = 18,719,212.80/x
  3. Step 3: Cross multiply
    27,229,267.20x = 40,787,913.60 × 18,719,212.80
  4. Step 4: Simplify right side
    27,229,267.20x = 763,517,634,346,414.12
  5. Step 5: Solve for x
    x = 763,517,634,346,414.12/27,229,267.20
  6. Step 6: Final answer
    x = 28,040,329.87

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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.