Home / 7,487,152.54-11,231,969.89-2,628,198.71

Finding the Fourth Proportional to 7,487,152.54, 11,231,969.89 and 2,628,198.71

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Solution

The fourth proportional to 7,487,152.54, 11,231,969.89 and 2,628,198.71 is: 3,942,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487,152.54 : 11,231,969.89 = 2,628,198.71 : x
  2. Step 2: Convert to fraction form
    7,487,152.54/11,231,969.89 = 2,628,198.71/x
  3. Step 3: Cross multiply
    7,487,152.54x = 11,231,969.89 × 2,628,198.71
  4. Step 4: Simplify right side
    7,487,152.54x = 29,519,848,719,497.00
  5. Step 5: Solve for x
    x = 29,519,848,719,497.00/7,487,152.54
  6. Step 6: Final answer
    x = 3,942,733.71

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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.