Home / 12,645,864-18,968,845.41-3,061,226.88

Finding the Fourth Proportional to 12,645,864, 18,968,845.41 and 3,061,226.88

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Solution

The fourth proportional to 12,645,864, 18,968,845.41 and 3,061,226.88 is: 4,591,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645,864 : 18,968,845.41 = 3,061,226.88 : x
  2. Step 2: Convert to fraction form
    12,645,864/18,968,845.41 = 3,061,226.88/x
  3. Step 3: Cross multiply
    12,645,864x = 18,968,845.41 × 3,061,226.88
  4. Step 4: Simplify right side
    12,645,864x = 58,067,939,451,656.62
  5. Step 5: Solve for x
    x = 58,067,939,451,656.62/12,645,864
  6. Step 6: Final answer
    x = 4,591,852.28

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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.