Home / 12,500,452.76-18,844,372.58-11,667,169.89

Finding the Fourth Proportional to 12,500,452.76, 18,844,372.58 and 11,667,169.89

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Solution

The fourth proportional to 12,500,452.76, 18,844,372.58 and 11,667,169.89 is: 17,588,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,452.76 : 18,844,372.58 = 11,667,169.89 : x
  2. Step 2: Convert to fraction form
    12,500,452.76/18,844,372.58 = 11,667,169.89/x
  3. Step 3: Cross multiply
    12,500,452.76x = 18,844,372.58 × 11,667,169.89
  4. Step 4: Simplify right side
    12,500,452.76x = 219,860,496,302,981.78
  5. Step 5: Solve for x
    x = 219,860,496,302,981.78/12,500,452.76
  6. Step 6: Final answer
    x = 17,588,202.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.