Home / 13,940,542.44-20,912,936.22-7,113,384.54

Finding the Fourth Proportional to 13,940,542.44, 20,912,936.22 and 7,113,384.54

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Solution

The fourth proportional to 13,940,542.44, 20,912,936.22 and 7,113,384.54 is: 10,671,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940,542.44 : 20,912,936.22 = 7,113,384.54 : x
  2. Step 2: Convert to fraction form
    13,940,542.44/20,912,936.22 = 7,113,384.54/x
  3. Step 3: Cross multiply
    13,940,542.44x = 20,912,936.22 × 7,113,384.54
  4. Step 4: Simplify right side
    13,940,542.44x = 148,761,757,193,354.03
  5. Step 5: Solve for x
    x = 148,761,757,193,354.03/13,940,542.44
  6. Step 6: Final answer
    x = 10,671,159.88

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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.