Home / 33,220,917.80-49,777,722.30-18,801,103.40

Finding the Fourth Proportional to 33,220,917.80, 49,777,722.30 and 18,801,103.40

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Solution

The fourth proportional to 33,220,917.80, 49,777,722.30 and 18,801,103.40 is: 28,171,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220,917.80 : 49,777,722.30 = 18,801,103.40 : x
  2. Step 2: Convert to fraction form
    33,220,917.80/49,777,722.30 = 18,801,103.40/x
  3. Step 3: Cross multiply
    33,220,917.80x = 49,777,722.30 × 18,801,103.40
  4. Step 4: Simplify right side
    33,220,917.80x = 935,876,103,978,785.75
  5. Step 5: Solve for x
    x = 935,876,103,978,785.75/33,220,917.80
  6. Step 6: Final answer
    x = 28,171,289.84

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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.