Home / 31,005,249.92-42,786,935.52-17,253,978.56

Finding the Fourth Proportional to 31,005,249.92, 42,786,935.52 and 17,253,978.56

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Solution

The fourth proportional to 31,005,249.92, 42,786,935.52 and 17,253,978.56 is: 23,810,318.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005,249.92 : 42,786,935.52 = 17,253,978.56 : x
  2. Step 2: Convert to fraction form
    31,005,249.92/42,786,935.52 = 17,253,978.56/x
  3. Step 3: Cross multiply
    31,005,249.92x = 42,786,935.52 × 17,253,978.56
  4. Step 4: Simplify right side
    31,005,249.92x = 738,244,868,110,182.50
  5. Step 5: Solve for x
    x = 738,244,868,110,182.50/31,005,249.92
  6. Step 6: Final answer
    x = 23,810,318.25

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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.