Home / 7,772,424.57-11,647,122.39-3,155,796.83

Finding the Fourth Proportional to 7,772,424.57, 11,647,122.39 and 3,155,796.83

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Solution

The fourth proportional to 7,772,424.57, 11,647,122.39 and 3,155,796.83 is: 4,729,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,424.57 : 11,647,122.39 = 3,155,796.83 : x
  2. Step 2: Convert to fraction form
    7,772,424.57/11,647,122.39 = 3,155,796.83/x
  3. Step 3: Cross multiply
    7,772,424.57x = 11,647,122.39 × 3,155,796.83
  4. Step 4: Simplify right side
    7,772,424.57x = 36,755,951,858,748.41
  5. Step 5: Solve for x
    x = 36,755,951,858,748.41/7,772,424.57
  6. Step 6: Final answer
    x = 4,729,020.08

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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.