Home / 28,094,868.64-38,777,397.74-18,288,231.85

Finding the Fourth Proportional to 28,094,868.64, 38,777,397.74 and 18,288,231.85

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Solution

The fourth proportional to 28,094,868.64, 38,777,397.74 and 18,288,231.85 is: 25,241,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094,868.64 : 38,777,397.74 = 18,288,231.85 : x
  2. Step 2: Convert to fraction form
    28,094,868.64/38,777,397.74 = 18,288,231.85/x
  3. Step 3: Cross multiply
    28,094,868.64x = 38,777,397.74 × 18,288,231.85
  4. Step 4: Simplify right side
    28,094,868.64x = 709,170,040,408,786.12
  5. Step 5: Solve for x
    x = 709,170,040,408,786.12/28,094,868.64
  6. Step 6: Final answer
    x = 25,241,977.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.