Home / 12,667,645.89-17,480,882.98-6,866,303.07

Finding the Fourth Proportional to 12,667,645.89, 17,480,882.98 and 6,866,303.07

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Solution

The fourth proportional to 12,667,645.89, 17,480,882.98 and 6,866,303.07 is: 9,475,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667,645.89 : 17,480,882.98 = 6,866,303.07 : x
  2. Step 2: Convert to fraction form
    12,667,645.89/17,480,882.98 = 6,866,303.07/x
  3. Step 3: Cross multiply
    12,667,645.89x = 17,480,882.98 × 6,866,303.07
  4. Step 4: Simplify right side
    12,667,645.89x = 120,029,040,471,884.75
  5. Step 5: Solve for x
    x = 120,029,040,471,884.75/12,667,645.89
  6. Step 6: Final answer
    x = 9,475,244.38

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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.