Home / 20,223,013.90-30,334,520.85-8,885,605.90

Finding the Fourth Proportional to 20,223,013.90, 30,334,520.85 and 8,885,605.90

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Solution

The fourth proportional to 20,223,013.90, 30,334,520.85 and 8,885,605.90 is: 13,328,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,013.90 : 30,334,520.85 = 8,885,605.90 : x
  2. Step 2: Convert to fraction form
    20,223,013.90/30,334,520.85 = 8,885,605.90/x
  3. Step 3: Cross multiply
    20,223,013.90x = 30,334,520.85 × 8,885,605.90
  4. Step 4: Simplify right side
    20,223,013.90x = 269,540,597,438,433.03
  5. Step 5: Solve for x
    x = 269,540,597,438,433.03/20,223,013.90
  6. Step 6: Final answer
    x = 13,328,408.85

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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.