Home / 12,275,944.07-18,413,912.86-4,188,919.05

Finding the Fourth Proportional to 12,275,944.07, 18,413,912.86 and 4,188,919.05

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Solution

The fourth proportional to 12,275,944.07, 18,413,912.86 and 4,188,919.05 is: 6,283,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275,944.07 : 18,413,912.86 = 4,188,919.05 : x
  2. Step 2: Convert to fraction form
    12,275,944.07/18,413,912.86 = 4,188,919.05/x
  3. Step 3: Cross multiply
    12,275,944.07x = 18,413,912.86 × 4,188,919.05
  4. Step 4: Simplify right side
    12,275,944.07x = 77,134,390,353,821.69
  5. Step 5: Solve for x
    x = 77,134,390,353,821.69/12,275,944.07
  6. Step 6: Final answer
    x = 6,283,377.47

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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.