Home / 33,259,297.20-49,888,945.80-21,780,171.60

Finding the Fourth Proportional to 33,259,297.20, 49,888,945.80 and 21,780,171.60

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Solution

The fourth proportional to 33,259,297.20, 49,888,945.80 and 21,780,171.60 is: 32,670,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,259,297.20 : 49,888,945.80 = 21,780,171.60 : x
  2. Step 2: Convert to fraction form
    33,259,297.20/49,888,945.80 = 21,780,171.60/x
  3. Step 3: Cross multiply
    33,259,297.20x = 49,888,945.80 × 21,780,171.60
  4. Step 4: Simplify right side
    33,259,297.20x = 1,086,589,800,467,099.25
  5. Step 5: Solve for x
    x = 1,086,589,800,467,099.25/33,259,297.20
  6. Step 6: Final answer
    x = 32,670,257.40

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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.