Home / 12,667,645.79-17,480,882.86-6,866,302.98

Finding the Fourth Proportional to 12,667,645.79, 17,480,882.86 and 6,866,302.98

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Solution

The fourth proportional to 12,667,645.79, 17,480,882.86 and 6,866,302.98 is: 9,475,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667,645.79 : 17,480,882.86 = 6,866,302.98 : x
  2. Step 2: Convert to fraction form
    12,667,645.79/17,480,882.86 = 6,866,302.98/x
  3. Step 3: Cross multiply
    12,667,645.79x = 17,480,882.86 × 6,866,302.98
  4. Step 4: Simplify right side
    12,667,645.79x = 120,029,037,952,912.98
  5. Step 5: Solve for x
    x = 120,029,037,952,912.98/12,667,645.79
  6. Step 6: Final answer
    x = 9,475,244.25

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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.