Home / 12,255,515.56-18,377,955.60-4,166,318.20

Finding the Fourth Proportional to 12,255,515.56, 18,377,955.60 and 4,166,318.20

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Solution

The fourth proportional to 12,255,515.56, 18,377,955.60 and 4,166,318.20 is: 6,247,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255,515.56 : 18,377,955.60 = 4,166,318.20 : x
  2. Step 2: Convert to fraction form
    12,255,515.56/18,377,955.60 = 4,166,318.20/x
  3. Step 3: Cross multiply
    12,255,515.56x = 18,377,955.60 × 4,166,318.20
  4. Step 4: Simplify right side
    12,255,515.56x = 76,568,410,895,071.92
  5. Step 5: Solve for x
    x = 76,568,410,895,071.92/12,255,515.56
  6. Step 6: Final answer
    x = 6,247,669.51

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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.