Home / 12,500,453.79-18,844,374.16-11,667,170.95

Finding the Fourth Proportional to 12,500,453.79, 18,844,374.16 and 11,667,170.95

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Solution

The fourth proportional to 12,500,453.79, 18,844,374.16 and 11,667,170.95 is: 17,588,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,453.79 : 18,844,374.16 = 11,667,170.95 : x
  2. Step 2: Convert to fraction form
    12,500,453.79/18,844,374.16 = 11,667,170.95/x
  3. Step 3: Cross multiply
    12,500,453.79x = 18,844,374.16 × 11,667,170.95
  4. Step 4: Simplify right side
    12,500,453.79x = 219,860,534,770,482.62
  5. Step 5: Solve for x
    x = 219,860,534,770,482.62/12,500,453.79
  6. Step 6: Final answer
    x = 17,588,204.27

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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.