Home / 12,500,452.79-18,844,372.65-11,667,169.95

Finding the Fourth Proportional to 12,500,452.79, 18,844,372.65 and 11,667,169.95

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Solution

The fourth proportional to 12,500,452.79, 18,844,372.65 and 11,667,169.95 is: 17,588,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,452.79 : 18,844,372.65 = 11,667,169.95 : x
  2. Step 2: Convert to fraction form
    12,500,452.79/18,844,372.65 = 11,667,169.95/x
  3. Step 3: Cross multiply
    12,500,452.79x = 18,844,372.65 × 11,667,169.95
  4. Step 4: Simplify right side
    12,500,452.79x = 219,860,498,308,681.84
  5. Step 5: Solve for x
    x = 219,860,498,308,681.84/12,500,452.79
  6. Step 6: Final answer
    x = 17,588,202.77

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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.