Home / 12,228,019.78-18,342,437.91-5,496,453.22

Finding the Fourth Proportional to 12,228,019.78, 18,342,437.91 and 5,496,453.22

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Solution

The fourth proportional to 12,228,019.78, 18,342,437.91 and 5,496,453.22 is: 8,244,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,019.78 : 18,342,437.91 = 5,496,453.22 : x
  2. Step 2: Convert to fraction form
    12,228,019.78/18,342,437.91 = 5,496,453.22/x
  3. Step 3: Cross multiply
    12,228,019.78x = 18,342,437.91 × 5,496,453.22
  4. Step 4: Simplify right side
    12,228,019.78x = 100,818,351,913,069.56
  5. Step 5: Solve for x
    x = 100,818,351,913,069.56/12,228,019.78
  6. Step 6: Final answer
    x = 8,244,863.33

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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.