Home / 8,979,921.75-13,469,999.28-2,996,289.75

Finding the Fourth Proportional to 8,979,921.75, 13,469,999.28 and 2,996,289.75

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Solution

The fourth proportional to 8,979,921.75, 13,469,999.28 and 2,996,289.75 is: 4,494,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,921.75 : 13,469,999.28 = 2,996,289.75 : x
  2. Step 2: Convert to fraction form
    8,979,921.75/13,469,999.28 = 2,996,289.75/x
  3. Step 3: Cross multiply
    8,979,921.75x = 13,469,999.28 × 2,996,289.75
  4. Step 4: Simplify right side
    8,979,921.75x = 40,360,020,775,171.38
  5. Step 5: Solve for x
    x = 40,360,020,775,171.38/8,979,921.75
  6. Step 6: Final answer
    x = 4,494,473.55

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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.