Home / 27,217,261.20-40,769,904.60-18,707,206.80

Finding the Fourth Proportional to 27,217,261.20, 40,769,904.60 and 18,707,206.80

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Solution

The fourth proportional to 27,217,261.20, 40,769,904.60 and 18,707,206.80 is: 28,022,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217,261.20 : 40,769,904.60 = 18,707,206.80 : x
  2. Step 2: Convert to fraction form
    27,217,261.20/40,769,904.60 = 18,707,206.80/x
  3. Step 3: Cross multiply
    27,217,261.20x = 40,769,904.60 × 18,707,206.80
  4. Step 4: Simplify right side
    27,217,261.20x = 762,691,036,568,471.38
  5. Step 5: Solve for x
    x = 762,691,036,568,471.38/27,217,261.20
  6. Step 6: Final answer
    x = 28,022,328.59

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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.