Home / 12,273,278.50-18,410,010.00-5,448,016.80

Finding the Fourth Proportional to 12,273,278.50, 18,410,010.00 and 5,448,016.80

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Solution

The fourth proportional to 12,273,278.50, 18,410,010.00 and 5,448,016.80 is: 8,172,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273,278.50 : 18,410,010.00 = 5,448,016.80 : x
  2. Step 2: Convert to fraction form
    12,273,278.50/18,410,010.00 = 5,448,016.80/x
  3. Step 3: Cross multiply
    12,273,278.50x = 18,410,010.00 × 5,448,016.80
  4. Step 4: Simplify right side
    12,273,278.50x = 100,298,043,662,497.91
  5. Step 5: Solve for x
    x = 100,298,043,662,497.91/12,273,278.50
  6. Step 6: Final answer
    x = 8,172,066.14

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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.