Home / 20,133,410.28-30,199,922.44-11,930,147.52

Finding the Fourth Proportional to 20,133,410.28, 30,199,922.44 and 11,930,147.52

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Solution

The fourth proportional to 20,133,410.28, 30,199,922.44 and 11,930,147.52 is: 17,895,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133,410.28 : 30,199,922.44 = 11,930,147.52 : x
  2. Step 2: Convert to fraction form
    20,133,410.28/30,199,922.44 = 11,930,147.52/x
  3. Step 3: Cross multiply
    20,133,410.28x = 30,199,922.44 × 11,930,147.52
  4. Step 4: Simplify right side
    20,133,410.28x = 360,289,529,801,758.38
  5. Step 5: Solve for x
    x = 360,289,529,801,758.38/20,133,410.28
  6. Step 6: Final answer
    x = 17,895,106.93

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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.