Home / 18,039,540.11-27,056,429.73-5,257,054.85

Finding the Fourth Proportional to 18,039,540.11, 27,056,429.73 and 5,257,054.85

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Solution

The fourth proportional to 18,039,540.11, 27,056,429.73 and 5,257,054.85 is: 7,884,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039,540.11 : 27,056,429.73 = 5,257,054.85 : x
  2. Step 2: Convert to fraction form
    18,039,540.11/27,056,429.73 = 5,257,054.85/x
  3. Step 3: Cross multiply
    18,039,540.11x = 27,056,429.73 × 5,257,054.85
  4. Step 4: Simplify right side
    18,039,540.11x = 142,237,135,000,498.53
  5. Step 5: Solve for x
    x = 142,237,135,000,498.53/18,039,540.11
  6. Step 6: Final answer
    x = 7,884,742.86

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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.