Home / 12,667,648.55-17,480,886.65-6,866,305.73

Finding the Fourth Proportional to 12,667,648.55, 17,480,886.65 and 6,866,305.73

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Solution

The fourth proportional to 12,667,648.55, 17,480,886.65 and 6,866,305.73 is: 9,475,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667,648.55 : 17,480,886.65 = 6,866,305.73 : x
  2. Step 2: Convert to fraction form
    12,667,648.55/17,480,886.65 = 6,866,305.73/x
  3. Step 3: Cross multiply
    12,667,648.55x = 17,480,886.65 × 6,866,305.73
  4. Step 4: Simplify right side
    12,667,648.55x = 120,029,112,170,375.50
  5. Step 5: Solve for x
    x = 120,029,112,170,375.50/12,667,648.55
  6. Step 6: Final answer
    x = 9,475,248.05

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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.