Home / 30,419,047.00-41,978,284.66-16,667,715.88

Finding the Fourth Proportional to 30,419,047.00, 41,978,284.66 and 16,667,715.88

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Solution

The fourth proportional to 30,419,047.00, 41,978,284.66 and 16,667,715.88 is: 23,001,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419,047.00 : 41,978,284.66 = 16,667,715.88 : x
  2. Step 2: Convert to fraction form
    30,419,047.00/41,978,284.66 = 16,667,715.88/x
  3. Step 3: Cross multiply
    30,419,047.00x = 41,978,284.66 × 16,667,715.88
  4. Step 4: Simplify right side
    30,419,047.00x = 699,682,121,915,949.88
  5. Step 5: Solve for x
    x = 699,682,121,915,949.88/30,419,047.00
  6. Step 6: Final answer
    x = 23,001,447.81

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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.