Home / 12,273,279-18,410,010.75-5,448,017.30

Finding the Fourth Proportional to 12,273,279, 18,410,010.75 and 5,448,017.30

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Solution

The fourth proportional to 12,273,279, 18,410,010.75 and 5,448,017.30 is: 8,172,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273,279 : 18,410,010.75 = 5,448,017.30 : x
  2. Step 2: Convert to fraction form
    12,273,279/18,410,010.75 = 5,448,017.30/x
  3. Step 3: Cross multiply
    12,273,279x = 18,410,010.75 × 5,448,017.30
  4. Step 4: Simplify right side
    12,273,279x = 100,298,056,967,135.92
  5. Step 5: Solve for x
    x = 100,298,056,967,135.92/12,273,279
  6. Step 6: Final answer
    x = 8,172,066.89

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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.