Home / 22,493,199.16-31,040,763.72-12,179,921.92

Finding the Fourth Proportional to 22,493,199.16, 31,040,763.72 and 12,179,921.92

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Solution

The fourth proportional to 22,493,199.16, 31,040,763.72 and 12,179,921.92 is: 16,808,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493,199.16 : 31,040,763.72 = 12,179,921.92 : x
  2. Step 2: Convert to fraction form
    22,493,199.16/31,040,763.72 = 12,179,921.92/x
  3. Step 3: Cross multiply
    22,493,199.16x = 31,040,763.72 × 12,179,921.92
  4. Step 4: Simplify right side
    22,493,199.16x = 378,074,078,446,768.75
  5. Step 5: Solve for x
    x = 378,074,078,446,768.75/22,493,199.16
  6. Step 6: Final answer
    x = 16,808,372.87

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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.