Home / 31,393,936.78-43,323,405.86-17,455,183.91

Finding the Fourth Proportional to 31,393,936.78, 43,323,405.86 and 17,455,183.91

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Solution

The fourth proportional to 31,393,936.78, 43,323,405.86 and 17,455,183.91 is: 24,088,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393,936.78 : 43,323,405.86 = 17,455,183.91 : x
  2. Step 2: Convert to fraction form
    31,393,936.78/43,323,405.86 = 17,455,183.91/x
  3. Step 3: Cross multiply
    31,393,936.78x = 43,323,405.86 × 17,455,183.91
  4. Step 4: Simplify right side
    31,393,936.78x = 756,218,016,914,904.38
  5. Step 5: Solve for x
    x = 756,218,016,914,904.38/31,393,936.78
  6. Step 6: Final answer
    x = 24,088,027.64

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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.