Home / 13,954,986.90-20,933,171.55-7,236,522.90

Finding the Fourth Proportional to 13,954,986.90, 20,933,171.55 and 7,236,522.90

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Solution

The fourth proportional to 13,954,986.90, 20,933,171.55 and 7,236,522.90 is: 10,855,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954,986.90 : 20,933,171.55 = 7,236,522.90 : x
  2. Step 2: Convert to fraction form
    13,954,986.90/20,933,171.55 = 7,236,522.90/x
  3. Step 3: Cross multiply
    13,954,986.90x = 20,933,171.55 × 7,236,522.90
  4. Step 4: Simplify right side
    13,954,986.90x = 151,483,375,291,203.50
  5. Step 5: Solve for x
    x = 151,483,375,291,203.50/13,954,986.90
  6. Step 6: Final answer
    x = 10,855,142.78

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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.