Home / 36,498,505.21-50,366,938.38-20,817,175.75

Finding the Fourth Proportional to 36,498,505.21, 50,366,938.38 and 20,817,175.75

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Solution

The fourth proportional to 36,498,505.21, 50,366,938.38 and 20,817,175.75 is: 28,727,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,498,505.21 : 50,366,938.38 = 20,817,175.75 : x
  2. Step 2: Convert to fraction form
    36,498,505.21/50,366,938.38 = 20,817,175.75/x
  3. Step 3: Cross multiply
    36,498,505.21x = 50,366,938.38 × 20,817,175.75
  4. Step 4: Simplify right side
    36,498,505.21x = 1,048,497,408,245,880.38
  5. Step 5: Solve for x
    x = 1,048,497,408,245,880.38/36,498,505.21
  6. Step 6: Final answer
    x = 28,727,132.86

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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.