Home / 13,895,761.38-20,842,851.51-4,180,167.78

Finding the Fourth Proportional to 13,895,761.38, 20,842,851.51 and 4,180,167.78

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Solution

The fourth proportional to 13,895,761.38, 20,842,851.51 and 4,180,167.78 is: 6,270,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895,761.38 : 20,842,851.51 = 4,180,167.78 : x
  2. Step 2: Convert to fraction form
    13,895,761.38/20,842,851.51 = 4,180,167.78/x
  3. Step 3: Cross multiply
    13,895,761.38x = 20,842,851.51 × 4,180,167.78
  4. Step 4: Simplify right side
    13,895,761.38x = 87,126,616,325,426.34
  5. Step 5: Solve for x
    x = 87,126,616,325,426.34/13,895,761.38
  6. Step 6: Final answer
    x = 6,270,013.85

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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.