Home / 8,188,408.59-11,297,972.37-5,397,222.57

Finding the Fourth Proportional to 8,188,408.59, 11,297,972.37 and 5,397,222.57

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Solution

The fourth proportional to 8,188,408.59, 11,297,972.37 and 5,397,222.57 is: 7,446,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,408.59 : 11,297,972.37 = 5,397,222.57 : x
  2. Step 2: Convert to fraction form
    8,188,408.59/11,297,972.37 = 5,397,222.57/x
  3. Step 3: Cross multiply
    8,188,408.59x = 11,297,972.37 × 5,397,222.57
  4. Step 4: Simplify right side
    8,188,408.59x = 60,977,671,470,600.39
  5. Step 5: Solve for x
    x = 60,977,671,470,600.39/8,188,408.59
  6. Step 6: Final answer
    x = 7,446,828.14

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1.5x scale

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.