Home / 12,804,067.76-19,184,778.04-9,009,578.80

Finding the Fourth Proportional to 12,804,067.76, 19,184,778.04 and 9,009,578.80

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Solution

The fourth proportional to 12,804,067.76, 19,184,778.04 and 9,009,578.80 is: 13,499,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804,067.76 : 19,184,778.04 = 9,009,578.80 : x
  2. Step 2: Convert to fraction form
    12,804,067.76/19,184,778.04 = 9,009,578.80/x
  3. Step 3: Cross multiply
    12,804,067.76x = 19,184,778.04 × 9,009,578.80
  4. Step 4: Simplify right side
    12,804,067.76x = 172,846,769,511,889.56
  5. Step 5: Solve for x
    x = 172,846,769,511,889.56/12,804,067.76
  6. Step 6: Final answer
    x = 13,499,363.85

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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.