Home / 13,763,860.80-20,617,408.80-8,066,817.60

Finding the Fourth Proportional to 13,763,860.80, 20,617,408.80 and 8,066,817.60

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Solution

The fourth proportional to 13,763,860.80, 20,617,408.80 and 8,066,817.60 is: 12,083,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,860.80 : 20,617,408.80 = 8,066,817.60 : x
  2. Step 2: Convert to fraction form
    13,763,860.80/20,617,408.80 = 8,066,817.60/x
  3. Step 3: Cross multiply
    13,763,860.80x = 20,617,408.80 × 8,066,817.60
  4. Step 4: Simplify right side
    13,763,860.80x = 166,316,876,174,234.88
  5. Step 5: Solve for x
    x = 166,316,876,174,234.88/13,763,860.80
  6. Step 6: Final answer
    x = 12,083,591.85

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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.