Home / 12,667,658.60-17,480,900.57-6,866,315.75

Finding the Fourth Proportional to 12,667,658.60, 17,480,900.57 and 6,866,315.75

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Solution

The fourth proportional to 12,667,658.60, 17,480,900.57 and 6,866,315.75 is: 9,475,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667,658.60 : 17,480,900.57 = 6,866,315.75 : x
  2. Step 2: Convert to fraction form
    12,667,658.60/17,480,900.57 = 6,866,315.75/x
  3. Step 3: Cross multiply
    12,667,658.60x = 17,480,900.57 × 6,866,315.75
  4. Step 4: Simplify right side
    12,667,658.60x = 120,029,382,786,238.91
  5. Step 5: Solve for x
    x = 120,029,382,786,238.91/12,667,658.60
  6. Step 6: Final answer
    x = 9,475,261.90

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1.5x scale

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.