Home / 13,028,279.20-19,533,087.60-5,451,344.80

Finding the Fourth Proportional to 13,028,279.20, 19,533,087.60 and 5,451,344.80

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Solution

The fourth proportional to 13,028,279.20, 19,533,087.60 and 5,451,344.80 is: 8,173,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,279.20 : 19,533,087.60 = 5,451,344.80 : x
  2. Step 2: Convert to fraction form
    13,028,279.20/19,533,087.60 = 5,451,344.80/x
  3. Step 3: Cross multiply
    13,028,279.20x = 19,533,087.60 × 5,451,344.80
  4. Step 4: Simplify right side
    13,028,279.20x = 106,481,595,516,204.48
  5. Step 5: Solve for x
    x = 106,481,595,516,204.48/13,028,279.20
  6. Step 6: Final answer
    x = 8,173,112.80

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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.