Home / 26,002,520.80-39,003,781.20-12,565,592.80

Finding the Fourth Proportional to 26,002,520.80, 39,003,781.20 and 12,565,592.80

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Solution

The fourth proportional to 26,002,520.80, 39,003,781.20 and 12,565,592.80 is: 18,848,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,002,520.80 : 39,003,781.20 = 12,565,592.80 : x
  2. Step 2: Convert to fraction form
    26,002,520.80/39,003,781.20 = 12,565,592.80/x
  3. Step 3: Cross multiply
    26,002,520.80x = 39,003,781.20 × 12,565,592.80
  4. Step 4: Simplify right side
    26,002,520.80x = 490,105,632,219,495.44
  5. Step 5: Solve for x
    x = 490,105,632,219,495.44/26,002,520.80
  6. Step 6: Final answer
    x = 18,848,389.20

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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.