Home / 26,317,812.20-39,469,719.90-8,121,972.20

Finding the Fourth Proportional to 26,317,812.20, 39,469,719.90 and 8,121,972.20

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Solution

The fourth proportional to 26,317,812.20, 39,469,719.90 and 8,121,972.20 is: 12,180,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,317,812.20 : 39,469,719.90 = 8,121,972.20 : x
  2. Step 2: Convert to fraction form
    26,317,812.20/39,469,719.90 = 8,121,972.20/x
  3. Step 3: Cross multiply
    26,317,812.20x = 39,469,719.90 × 8,121,972.20
  4. Step 4: Simplify right side
    26,317,812.20x = 320,571,967,769,586.75
  5. Step 5: Solve for x
    x = 320,571,967,769,586.75/26,317,812.20
  6. Step 6: Final answer
    x = 12,180,798.52

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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.