Home / 33,220,821.80-49,777,578.30-18,801,007.40

Finding the Fourth Proportional to 33,220,821.80, 49,777,578.30 and 18,801,007.40

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Solution

The fourth proportional to 33,220,821.80, 49,777,578.30 and 18,801,007.40 is: 28,171,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220,821.80 : 49,777,578.30 = 18,801,007.40 : x
  2. Step 2: Convert to fraction form
    33,220,821.80/49,777,578.30 = 18,801,007.40/x
  3. Step 3: Cross multiply
    33,220,821.80x = 49,777,578.30 × 18,801,007.40
  4. Step 4: Simplify right side
    33,220,821.80x = 935,868,617,972,379.25
  5. Step 5: Solve for x
    x = 935,868,617,972,379.25/33,220,821.80
  6. Step 6: Final answer
    x = 28,171,145.90

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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.