Home / 7,188,255.67-9,919,840.86-3,925,093.09

Finding the Fourth Proportional to 7,188,255.67, 9,919,840.86 and 3,925,093.09

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Solution

The fourth proportional to 7,188,255.67, 9,919,840.86 and 3,925,093.09 is: 5,416,654.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,255.67 : 9,919,840.86 = 3,925,093.09 : x
  2. Step 2: Convert to fraction form
    7,188,255.67/9,919,840.86 = 3,925,093.09/x
  3. Step 3: Cross multiply
    7,188,255.67x = 9,919,840.86 × 3,925,093.09
  4. Step 4: Simplify right side
    7,188,255.67x = 38,936,298,813,485.66
  5. Step 5: Solve for x
    x = 38,936,298,813,485.66/7,188,255.67
  6. Step 6: Final answer
    x = 5,416,654.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.