Home / 13,263,691.38-18,303,764.72-7,383,232.32

Finding the Fourth Proportional to 13,263,691.38, 18,303,764.72 and 7,383,232.32

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Solution

The fourth proportional to 13,263,691.38, 18,303,764.72 and 7,383,232.32 is: 10,188,788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,691.38 : 18,303,764.72 = 7,383,232.32 : x
  2. Step 2: Convert to fraction form
    13,263,691.38/18,303,764.72 = 7,383,232.32/x
  3. Step 3: Cross multiply
    13,263,691.38x = 18,303,764.72 × 7,383,232.32
  4. Step 4: Simplify right side
    13,263,691.38x = 135,140,947,258,379.75
  5. Step 5: Solve for x
    x = 135,140,947,258,379.75/13,263,691.38
  6. Step 6: Final answer
    x = 10,188,788.58

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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.