Home / 18,423,909.73-27,659,812.65-14,167,067.32

Finding the Fourth Proportional to 18,423,909.73, 27,659,812.65 and 14,167,067.32

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Solution

The fourth proportional to 18,423,909.73, 27,659,812.65 and 14,167,067.32 is: 21,269,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423,909.73 : 27,659,812.65 = 14,167,067.32 : x
  2. Step 2: Convert to fraction form
    18,423,909.73/27,659,812.65 = 14,167,067.32/x
  3. Step 3: Cross multiply
    18,423,909.73x = 27,659,812.65 × 14,167,067.32
  4. Step 4: Simplify right side
    18,423,909.73x = 391,858,427,871,137.56
  5. Step 5: Solve for x
    x = 391,858,427,871,137.56/18,423,909.73
  6. Step 6: Final answer
    x = 21,269,015.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.