Home / 30,809,128.14-42,517,925.43-17,058,092.22

Finding the Fourth Proportional to 30,809,128.14, 42,517,925.43 and 17,058,092.22

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Solution

The fourth proportional to 30,809,128.14, 42,517,925.43 and 17,058,092.22 is: 23,540,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,128.14 : 42,517,925.43 = 17,058,092.22 : x
  2. Step 2: Convert to fraction form
    30,809,128.14/42,517,925.43 = 17,058,092.22/x
  3. Step 3: Cross multiply
    30,809,128.14x = 42,517,925.43 × 17,058,092.22
  4. Step 4: Simplify right side
    30,809,128.14x = 725,274,692,988,023.12
  5. Step 5: Solve for x
    x = 725,274,692,988,023.12/30,809,128.14
  6. Step 6: Final answer
    x = 23,540,902.87

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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.