Home / 15,386,115.78-23,058,787.59-8,182,137.78

Finding the Fourth Proportional to 15,386,115.78, 23,058,787.59 and 8,182,137.78

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Solution

The fourth proportional to 15,386,115.78, 23,058,787.59 and 8,182,137.78 is: 12,262,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386,115.78 : 23,058,787.59 = 8,182,137.78 : x
  2. Step 2: Convert to fraction form
    15,386,115.78/23,058,787.59 = 8,182,137.78/x
  3. Step 3: Cross multiply
    15,386,115.78x = 23,058,787.59 × 8,182,137.78
  4. Step 4: Simplify right side
    15,386,115.78x = 188,670,177,101,134.16
  5. Step 5: Solve for x
    x = 188,670,177,101,134.16/15,386,115.78
  6. Step 6: Final answer
    x = 12,262,365.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.