Home / 12,663,067.44-18,994,464.36-3,078,457.20

Finding the Fourth Proportional to 12,663,067.44, 18,994,464.36 and 3,078,457.20

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Solution

The fourth proportional to 12,663,067.44, 18,994,464.36 and 3,078,457.20 is: 4,617,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663,067.44 : 18,994,464.36 = 3,078,457.20 : x
  2. Step 2: Convert to fraction form
    12,663,067.44/18,994,464.36 = 3,078,457.20/x
  3. Step 3: Cross multiply
    12,663,067.44x = 18,994,464.36 × 3,078,457.20
  4. Step 4: Simplify right side
    12,663,067.44x = 58,473,645,569,185.39
  5. Step 5: Solve for x
    x = 58,473,645,569,185.39/12,663,067.44
  6. Step 6: Final answer
    x = 4,617,652.54

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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.