Home / 18,175,789.72-25,082,660.28-9,916,037.56

Finding the Fourth Proportional to 18,175,789.72, 25,082,660.28 and 9,916,037.56

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Solution

The fourth proportional to 18,175,789.72, 25,082,660.28 and 9,916,037.56 is: 13,684,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175,789.72 : 25,082,660.28 = 9,916,037.56 : x
  2. Step 2: Convert to fraction form
    18,175,789.72/25,082,660.28 = 9,916,037.56/x
  3. Step 3: Cross multiply
    18,175,789.72x = 25,082,660.28 × 9,916,037.56
  4. Step 4: Simplify right side
    18,175,789.72x = 248,720,601,441,200.16
  5. Step 5: Solve for x
    x = 248,720,601,441,200.16/18,175,789.72
  6. Step 6: Final answer
    x = 13,684,170.28

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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.