Home / 12,317,745.60-18,441,626.40-11,647,454.40

Finding the Fourth Proportional to 12,317,745.60, 18,441,626.40 and 11,647,454.40

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Solution

The fourth proportional to 12,317,745.60, 18,441,626.40 and 11,647,454.40 is: 17,438,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317,745.60 : 18,441,626.40 = 11,647,454.40 : x
  2. Step 2: Convert to fraction form
    12,317,745.60/18,441,626.40 = 11,647,454.40/x
  3. Step 3: Cross multiply
    12,317,745.60x = 18,441,626.40 × 11,647,454.40
  4. Step 4: Simplify right side
    12,317,745.60x = 214,798,002,555,836.16
  5. Step 5: Solve for x
    x = 214,798,002,555,836.16/12,317,745.60
  6. Step 6: Final answer
    x = 17,438,093.75

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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.