Home / 12,317,128.92-16,997,286.24-6,810,408.72

Finding the Fourth Proportional to 12,317,128.92, 16,997,286.24 and 6,810,408.72

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Solution

The fourth proportional to 12,317,128.92, 16,997,286.24 and 6,810,408.72 is: 9,398,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317,128.92 : 16,997,286.24 = 6,810,408.72 : x
  2. Step 2: Convert to fraction form
    12,317,128.92/16,997,286.24 = 6,810,408.72/x
  3. Step 3: Cross multiply
    12,317,128.92x = 16,997,286.24 × 6,810,408.72
  4. Step 4: Simplify right side
    12,317,128.92x = 115,758,466,425,232
  5. Step 5: Solve for x
    x = 115,758,466,425,232/12,317,128.92
  6. Step 6: Final answer
    x = 9,398,169.59

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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.