Home / 15,058,103.80-20,780,167.42-8,182,569.44

Finding the Fourth Proportional to 15,058,103.80, 20,780,167.42 and 8,182,569.44

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Solution

The fourth proportional to 15,058,103.80, 20,780,167.42 and 8,182,569.44 is: 11,291,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058,103.80 : 20,780,167.42 = 8,182,569.44 : x
  2. Step 2: Convert to fraction form
    15,058,103.80/20,780,167.42 = 8,182,569.44/x
  3. Step 3: Cross multiply
    15,058,103.80x = 20,780,167.42 × 8,182,569.44
  4. Step 4: Simplify right side
    15,058,103.80x = 170,035,162,888,975.66
  5. Step 5: Solve for x
    x = 170,035,162,888,975.66/15,058,103.80
  6. Step 6: Final answer
    x = 11,291,937.23

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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.