Home / 12,137,416.80-18,206,125.20-11,577,544.80

Finding the Fourth Proportional to 12,137,416.80, 18,206,125.20 and 11,577,544.80

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Solution

The fourth proportional to 12,137,416.80, 18,206,125.20 and 11,577,544.80 is: 17,366,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137,416.80 : 18,206,125.20 = 11,577,544.80 : x
  2. Step 2: Convert to fraction form
    12,137,416.80/18,206,125.20 = 11,577,544.80/x
  3. Step 3: Cross multiply
    12,137,416.80x = 18,206,125.20 × 11,577,544.80
  4. Step 4: Simplify right side
    12,137,416.80x = 210,782,230,137,408.97
  5. Step 5: Solve for x
    x = 210,782,230,137,408.97/12,137,416.80
  6. Step 6: Final answer
    x = 17,366,317.20

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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.