Home / 6,667,912.72-9,201,711.24-3,612,139.60

Finding the Fourth Proportional to 6,667,912.72, 9,201,711.24 and 3,612,139.60

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Solution

The fourth proportional to 6,667,912.72, 9,201,711.24 and 3,612,139.60 is: 4,984,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667,912.72 : 9,201,711.24 = 3,612,139.60 : x
  2. Step 2: Convert to fraction form
    6,667,912.72/9,201,711.24 = 3,612,139.60/x
  3. Step 3: Cross multiply
    6,667,912.72x = 9,201,711.24 × 3,612,139.60
  4. Step 4: Simplify right side
    6,667,912.72x = 33,237,865,557,769.11
  5. Step 5: Solve for x
    x = 33,237,865,557,769.11/6,667,912.72
  6. Step 6: Final answer
    x = 4,984,748.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.