Home / 19,700,251.72-27,188,855.22-11,438,669.32

Finding the Fourth Proportional to 19,700,251.72, 27,188,855.22 and 11,438,669.32

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Solution

The fourth proportional to 19,700,251.72, 27,188,855.22 and 11,438,669.32 is: 15,786,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700,251.72 : 27,188,855.22 = 11,438,669.32 : x
  2. Step 2: Convert to fraction form
    19,700,251.72/27,188,855.22 = 11,438,669.32/x
  3. Step 3: Cross multiply
    19,700,251.72x = 27,188,855.22 × 11,438,669.32
  4. Step 4: Simplify right side
    19,700,251.72x = 311,004,324,050,935.88
  5. Step 5: Solve for x
    x = 311,004,324,050,935.88/19,700,251.72
  6. Step 6: Final answer
    x = 15,786,819.81

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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.