Home / 12,173,786.40-18,259,297.20-3,199,245.60

Finding the Fourth Proportional to 12,173,786.40, 18,259,297.20 and 3,199,245.60

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Solution

The fourth proportional to 12,173,786.40, 18,259,297.20 and 3,199,245.60 is: 4,798,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173,786.40 : 18,259,297.20 = 3,199,245.60 : x
  2. Step 2: Convert to fraction form
    12,173,786.40/18,259,297.20 = 3,199,245.60/x
  3. Step 3: Cross multiply
    12,173,786.40x = 18,259,297.20 × 3,199,245.60
  4. Step 4: Simplify right side
    12,173,786.40x = 58,415,976,226,192.32
  5. Step 5: Solve for x
    x = 58,415,976,226,192.32/12,173,786.40
  6. Step 6: Final answer
    x = 4,798,505.11

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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.