Home / 18,327,258.72-25,291,675.92-10,178,496.48

Finding the Fourth Proportional to 18,327,258.72, 25,291,675.92 and 10,178,496.48

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Solution

The fourth proportional to 18,327,258.72, 25,291,675.92 and 10,178,496.48 is: 14,046,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327,258.72 : 25,291,675.92 = 10,178,496.48 : x
  2. Step 2: Convert to fraction form
    18,327,258.72/25,291,675.92 = 10,178,496.48/x
  3. Step 3: Cross multiply
    18,327,258.72x = 25,291,675.92 × 10,178,496.48
  4. Step 4: Simplify right side
    18,327,258.72x = 257,431,234,325,020.78
  5. Step 5: Solve for x
    x = 257,431,234,325,020.78/18,327,258.72
  6. Step 6: Final answer
    x = 14,046,357.85

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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.