Home / 43,603,694.28-65,356,659.54-17,689,979.88

Finding the Fourth Proportional to 43,603,694.28, 65,356,659.54 and 17,689,979.88

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Solution

The fourth proportional to 43,603,694.28, 65,356,659.54 and 17,689,979.88 is: 26,515,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,603,694.28 : 65,356,659.54 = 17,689,979.88 : x
  2. Step 2: Convert to fraction form
    43,603,694.28/65,356,659.54 = 17,689,979.88/x
  3. Step 3: Cross multiply
    43,603,694.28x = 65,356,659.54 × 17,689,979.88
  4. Step 4: Simplify right side
    43,603,694.28x = 1,156,157,992,286,610
  5. Step 5: Solve for x
    x = 1,156,157,992,286,610/43,603,694.28
  6. Step 6: Final answer
    x = 26,515,138.48

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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.