Home / 18,310,359.12-25,289,266.56-12,058,832

Finding the Fourth Proportional to 18,310,359.12, 25,289,266.56 and 12,058,832

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Solution

The fourth proportional to 18,310,359.12, 25,289,266.56 and 12,058,832 is: 16,654,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310,359.12 : 25,289,266.56 = 12,058,832 : x
  2. Step 2: Convert to fraction form
    18,310,359.12/25,289,266.56 = 12,058,832/x
  3. Step 3: Cross multiply
    18,310,359.12x = 25,289,266.56 × 12,058,832
  4. Step 4: Simplify right side
    18,310,359.12x = 304,959,016,850,257.88
  5. Step 5: Solve for x
    x = 304,959,016,850,257.88/18,310,359.12
  6. Step 6: Final answer
    x = 16,654,999.22

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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.