Home / 18,040,209.78-27,047,463.30-8,450,356.93

Finding the Fourth Proportional to 18,040,209.78, 27,047,463.30 and 8,450,356.93

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Solution

The fourth proportional to 18,040,209.78, 27,047,463.30 and 8,450,356.93 is: 12,669,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040,209.78 : 27,047,463.30 = 8,450,356.93 : x
  2. Step 2: Convert to fraction form
    18,040,209.78/27,047,463.30 = 8,450,356.93/x
  3. Step 3: Cross multiply
    18,040,209.78x = 27,047,463.30 × 8,450,356.93
  4. Step 4: Simplify right side
    18,040,209.78x = 228,560,718,936,075.66
  5. Step 5: Solve for x
    x = 228,560,718,936,075.66/18,040,209.78
  6. Step 6: Final answer
    x = 12,669,515.58

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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.