Home / 8,188,407.59-11,297,970.99-5,397,221.57

Finding the Fourth Proportional to 8,188,407.59, 11,297,970.99 and 5,397,221.57

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Solution

The fourth proportional to 8,188,407.59, 11,297,970.99 and 5,397,221.57 is: 7,446,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,407.59 : 11,297,970.99 = 5,397,221.57 : x
  2. Step 2: Convert to fraction form
    8,188,407.59/11,297,970.99 = 5,397,221.57/x
  3. Step 3: Cross multiply
    8,188,407.59x = 11,297,970.99 × 5,397,221.57
  4. Step 4: Simplify right side
    8,188,407.59x = 60,977,652,667,972.41
  5. Step 5: Solve for x
    x = 60,977,652,667,972.41/8,188,407.59
  6. Step 6: Final answer
    x = 7,446,826.75

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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.