Home / 18,012,859.20-24,856,999.20-9,863,956.80

Finding the Fourth Proportional to 18,012,859.20, 24,856,999.20 and 9,863,956.80

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Solution

The fourth proportional to 18,012,859.20, 24,856,999.20 and 9,863,956.80 is: 13,611,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012,859.20 : 24,856,999.20 = 9,863,956.80 : x
  2. Step 2: Convert to fraction form
    18,012,859.20/24,856,999.20 = 9,863,956.80/x
  3. Step 3: Cross multiply
    18,012,859.20x = 24,856,999.20 × 9,863,956.80
  4. Step 4: Simplify right side
    18,012,859.20x = 245,188,366,286,434.56
  5. Step 5: Solve for x
    x = 245,188,366,286,434.56/18,012,859.20
  6. Step 6: Final answer
    x = 13,611,851.60

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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.