Home / 30,419,046.88-41,978,284.49-16,667,715.76

Finding the Fourth Proportional to 30,419,046.88, 41,978,284.49 and 16,667,715.76

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Solution

The fourth proportional to 30,419,046.88, 41,978,284.49 and 16,667,715.76 is: 23,001,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419,046.88 : 41,978,284.49 = 16,667,715.76 : x
  2. Step 2: Convert to fraction form
    30,419,046.88/41,978,284.49 = 16,667,715.76/x
  3. Step 3: Cross multiply
    30,419,046.88x = 41,978,284.49 × 16,667,715.76
  4. Step 4: Simplify right side
    30,419,046.88x = 699,682,113,971,736.62
  5. Step 5: Solve for x
    x = 699,682,113,971,736.62/30,419,046.88
  6. Step 6: Final answer
    x = 23,001,447.64

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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.