Home / 15,374,111.10-21,215,440.62-8,498,150.28

Finding the Fourth Proportional to 15,374,111.10, 21,215,440.62 and 8,498,150.28

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Solution

The fourth proportional to 15,374,111.10, 21,215,440.62 and 8,498,150.28 is: 11,726,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374,111.10 : 21,215,440.62 = 8,498,150.28 : x
  2. Step 2: Convert to fraction form
    15,374,111.10/21,215,440.62 = 8,498,150.28/x
  3. Step 3: Cross multiply
    15,374,111.10x = 21,215,440.62 × 8,498,150.28
  4. Step 4: Simplify right side
    15,374,111.10x = 180,292,002,645,176.38
  5. Step 5: Solve for x
    x = 180,292,002,645,176.38/15,374,111.10
  6. Step 6: Final answer
    x = 11,726,987.11

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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.