Home / 22,245,851.20-33,343,893.60-12,665,819.20

Finding the Fourth Proportional to 22,245,851.20, 33,343,893.60 and 12,665,819.20

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Solution

The fourth proportional to 22,245,851.20, 33,343,893.60 and 12,665,819.20 is: 18,984,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245,851.20 : 33,343,893.60 = 12,665,819.20 : x
  2. Step 2: Convert to fraction form
    22,245,851.20/33,343,893.60 = 12,665,819.20/x
  3. Step 3: Cross multiply
    22,245,851.20x = 33,343,893.60 × 12,665,819.20
  4. Step 4: Simplify right side
    22,245,851.20x = 422,327,727,761,637.12
  5. Step 5: Solve for x
    x = 422,327,727,761,637.12/22,245,851.20
  6. Step 6: Final answer
    x = 18,984,561.39

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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.