Home / 33,220,916.30-49,777,720.05-18,801,101.90

Finding the Fourth Proportional to 33,220,916.30, 49,777,720.05 and 18,801,101.90

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Solution

The fourth proportional to 33,220,916.30, 49,777,720.05 and 18,801,101.90 is: 28,171,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220,916.30 : 49,777,720.05 = 18,801,101.90 : x
  2. Step 2: Convert to fraction form
    33,220,916.30/49,777,720.05 = 18,801,101.90/x
  3. Step 3: Cross multiply
    33,220,916.30x = 49,777,720.05 × 18,801,101.90
  4. Step 4: Simplify right side
    33,220,916.30x = 935,875,987,009,723
  5. Step 5: Solve for x
    x = 935,875,987,009,723/33,220,916.30
  6. Step 6: Final answer
    x = 28,171,287.59

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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.