Home / 31,275,687.42-43,134,858.36-22,013,917.38

Finding the Fourth Proportional to 31,275,687.42, 43,134,858.36 and 22,013,917.38

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Solution

The fourth proportional to 31,275,687.42, 43,134,858.36 and 22,013,917.38 is: 30,361,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,275,687.42 : 43,134,858.36 = 22,013,917.38 : x
  2. Step 2: Convert to fraction form
    31,275,687.42/43,134,858.36 = 22,013,917.38/x
  3. Step 3: Cross multiply
    31,275,687.42x = 43,134,858.36 × 22,013,917.38
  4. Step 4: Simplify right side
    31,275,687.42x = 949,567,208,135,042.25
  5. Step 5: Solve for x
    x = 949,567,208,135,042.25/31,275,687.42
  6. Step 6: Final answer
    x = 30,361,193.84

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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.