Home / 12,868,058.56-17,757,874.20-7,067,215.84

Finding the Fourth Proportional to 12,868,058.56, 17,757,874.20 and 7,067,215.84

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Solution

The fourth proportional to 12,868,058.56, 17,757,874.20 and 7,067,215.84 is: 9,752,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,058.56 : 17,757,874.20 = 7,067,215.84 : x
  2. Step 2: Convert to fraction form
    12,868,058.56/17,757,874.20 = 7,067,215.84/x
  3. Step 3: Cross multiply
    12,868,058.56x = 17,757,874.20 × 7,067,215.84
  4. Step 4: Simplify right side
    12,868,058.56x = 125,498,729,830,967.31
  5. Step 5: Solve for x
    x = 125,498,729,830,967.31/12,868,058.56
  6. Step 6: Final answer
    x = 9,752,732.26

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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.