Home / 19,015,993.20-28,516,840.74-6,882,458.88

Finding the Fourth Proportional to 19,015,993.20, 28,516,840.74 and 6,882,458.88

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Solution

The fourth proportional to 19,015,993.20, 28,516,840.74 and 6,882,458.88 is: 10,321,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015,993.20 : 28,516,840.74 = 6,882,458.88 : x
  2. Step 2: Convert to fraction form
    19,015,993.20/28,516,840.74 = 6,882,458.88/x
  3. Step 3: Cross multiply
    19,015,993.20x = 28,516,840.74 × 6,882,458.88
  4. Step 4: Simplify right side
    19,015,993.20x = 196,265,983,780,558.75
  5. Step 5: Solve for x
    x = 196,265,983,780,558.75/19,015,993.20
  6. Step 6: Final answer
    x = 10,321,100.86

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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.