Home / 11,775,968.82-17,659,469.88-7,731,374.76

Finding the Fourth Proportional to 11,775,968.82, 17,659,469.88 and 7,731,374.76

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Solution

The fourth proportional to 11,775,968.82, 17,659,469.88 and 7,731,374.76 is: 11,594,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775,968.82 : 17,659,469.88 = 7,731,374.76 : x
  2. Step 2: Convert to fraction form
    11,775,968.82/17,659,469.88 = 7,731,374.76/x
  3. Step 3: Cross multiply
    11,775,968.82x = 17,659,469.88 × 7,731,374.76
  4. Step 4: Simplify right side
    11,775,968.82x = 136,531,979,705,212.22
  5. Step 5: Solve for x
    x = 136,531,979,705,212.22/11,775,968.82
  6. Step 6: Final answer
    x = 11,594,118.65

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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.