Home / 26,378,634.40-39,567,951.60-21,843,671.20

Finding the Fourth Proportional to 26,378,634.40, 39,567,951.60 and 21,843,671.20

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Solution

The fourth proportional to 26,378,634.40, 39,567,951.60 and 21,843,671.20 is: 32,765,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378,634.40 : 39,567,951.60 = 21,843,671.20 : x
  2. Step 2: Convert to fraction form
    26,378,634.40/39,567,951.60 = 21,843,671.20/x
  3. Step 3: Cross multiply
    26,378,634.40x = 39,567,951.60 × 21,843,671.20
  4. Step 4: Simplify right side
    26,378,634.40x = 864,309,324,807,913.88
  5. Step 5: Solve for x
    x = 864,309,324,807,913.88/26,378,634.40
  6. Step 6: Final answer
    x = 32,765,506.80

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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.