Home / 31,022,269.38-42,809,350.78-17,781,954.26

Finding the Fourth Proportional to 31,022,269.38, 42,809,350.78 and 17,781,954.26

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Solution

The fourth proportional to 31,022,269.38, 42,809,350.78 and 17,781,954.26 is: 24,538,305.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,022,269.38 : 42,809,350.78 = 17,781,954.26 : x
  2. Step 2: Convert to fraction form
    31,022,269.38/42,809,350.78 = 17,781,954.26/x
  3. Step 3: Cross multiply
    31,022,269.38x = 42,809,350.78 × 17,781,954.26
  4. Step 4: Simplify right side
    31,022,269.38x = 761,233,917,470,255.38
  5. Step 5: Solve for x
    x = 761,233,917,470,255.38/31,022,269.38
  6. Step 6: Final answer
    x = 24,538,305.31

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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.