Home / 26,872,408.80-40,308,613.20-8,921,512.80

Finding the Fourth Proportional to 26,872,408.80, 40,308,613.20 and 8,921,512.80

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Solution

The fourth proportional to 26,872,408.80, 40,308,613.20 and 8,921,512.80 is: 13,382,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872,408.80 : 40,308,613.20 = 8,921,512.80 : x
  2. Step 2: Convert to fraction form
    26,872,408.80/40,308,613.20 = 8,921,512.80/x
  3. Step 3: Cross multiply
    26,872,408.80x = 40,308,613.20 × 8,921,512.80
  4. Step 4: Simplify right side
    26,872,408.80x = 359,613,808,614,049
  5. Step 5: Solve for x
    x = 359,613,808,614,049/26,872,408.80
  6. Step 6: Final answer
    x = 13,382,269.20

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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.