Home / 12,576,667.54-18,868,988.92-4,489,469.58

Finding the Fourth Proportional to 12,576,667.54, 18,868,988.92 and 4,489,469.58

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Solution

The fourth proportional to 12,576,667.54, 18,868,988.92 and 4,489,469.58 is: 6,735,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,667.54 : 18,868,988.92 = 4,489,469.58 : x
  2. Step 2: Convert to fraction form
    12,576,667.54/18,868,988.92 = 4,489,469.58/x
  3. Step 3: Cross multiply
    12,576,667.54x = 18,868,988.92 × 4,489,469.58
  4. Step 4: Simplify right side
    12,576,667.54x = 84,711,751,761,697.06
  5. Step 5: Solve for x
    x = 84,711,751,761,697.06/12,576,667.54
  6. Step 6: Final answer
    x = 6,735,627.82

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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.