Home / 12,667,645.54-17,480,882.51-6,866,302.73

Finding the Fourth Proportional to 12,667,645.54, 17,480,882.51 and 6,866,302.73

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Solution

The fourth proportional to 12,667,645.54, 17,480,882.51 and 6,866,302.73 is: 9,475,243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667,645.54 : 17,480,882.51 = 6,866,302.73 : x
  2. Step 2: Convert to fraction form
    12,667,645.54/17,480,882.51 = 6,866,302.73/x
  3. Step 3: Cross multiply
    12,667,645.54x = 17,480,882.51 × 6,866,302.73
  4. Step 4: Simplify right side
    12,667,645.54x = 120,029,031,213,817.84
  5. Step 5: Solve for x
    x = 120,029,031,213,817.84/12,667,645.54
  6. Step 6: Final answer
    x = 9,475,243.91

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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.