Home / 20,839,347.33-31,256,183.30-5,485,351.20

Finding the Fourth Proportional to 20,839,347.33, 31,256,183.30 and 5,485,351.20

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Solution

The fourth proportional to 20,839,347.33, 31,256,183.30 and 5,485,351.20 is: 8,227,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839,347.33 : 31,256,183.30 = 5,485,351.20 : x
  2. Step 2: Convert to fraction form
    20,839,347.33/31,256,183.30 = 5,485,351.20/x
  3. Step 3: Cross multiply
    20,839,347.33x = 31,256,183.30 × 5,485,351.20
  4. Step 4: Simplify right side
    20,839,347.33x = 171,451,142,544,648.22
  5. Step 5: Solve for x
    x = 171,451,142,544,648.22/20,839,347.33
  6. Step 6: Final answer
    x = 8,227,279.86

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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.