Home / 13,016,607.44-17,956,843.08-8,190,372.56

Finding the Fourth Proportional to 13,016,607.44, 17,956,843.08 and 8,190,372.56

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Solution

The fourth proportional to 13,016,607.44, 17,956,843.08 and 8,190,372.56 is: 11,298,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016,607.44 : 17,956,843.08 = 8,190,372.56 : x
  2. Step 2: Convert to fraction form
    13,016,607.44/17,956,843.08 = 8,190,372.56/x
  3. Step 3: Cross multiply
    13,016,607.44x = 17,956,843.08 × 8,190,372.56
  4. Step 4: Simplify right side
    13,016,607.44x = 147,073,234,826,657.88
  5. Step 5: Solve for x
    x = 147,073,234,826,657.88/13,016,607.44
  6. Step 6: Final answer
    x = 11,298,891.47

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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.