Home / 30,809,127.64-42,517,924.74-17,058,091.72

Finding the Fourth Proportional to 30,809,127.64, 42,517,924.74 and 17,058,091.72

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Solution

The fourth proportional to 30,809,127.64, 42,517,924.74 and 17,058,091.72 is: 23,540,902.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,127.64 : 42,517,924.74 = 17,058,091.72 : x
  2. Step 2: Convert to fraction form
    30,809,127.64/42,517,924.74 = 17,058,091.72/x
  3. Step 3: Cross multiply
    30,809,127.64x = 42,517,924.74 × 17,058,091.72
  4. Step 4: Simplify right side
    30,809,127.64x = 725,274,659,958,977.12
  5. Step 5: Solve for x
    x = 725,274,659,958,977.12/30,809,127.64
  6. Step 6: Final answer
    x = 23,540,902.18

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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.