Home / 13,478,839.20-20,220,883.20-5,802,469.20

Finding the Fourth Proportional to 13,478,839.20, 20,220,883.20 and 5,802,469.20

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Solution

The fourth proportional to 13,478,839.20, 20,220,883.20 and 5,802,469.20 is: 8,704,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,839.20 : 20,220,883.20 = 5,802,469.20 : x
  2. Step 2: Convert to fraction form
    13,478,839.20/20,220,883.20 = 5,802,469.20/x
  3. Step 3: Cross multiply
    13,478,839.20x = 20,220,883.20 × 5,802,469.20
  4. Step 4: Simplify right side
    13,478,839.20x = 117,331,051,964,797.44
  5. Step 5: Solve for x
    x = 117,331,051,964,797.44/13,478,839.20
  6. Step 6: Final answer
    x = 8,704,833.57

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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.