Home / 19,782,044.70-29,673,067.05-11,137,271.10

Finding the Fourth Proportional to 19,782,044.70, 29,673,067.05 and 11,137,271.10

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Solution

The fourth proportional to 19,782,044.70, 29,673,067.05 and 11,137,271.10 is: 16,705,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,044.70 : 29,673,067.05 = 11,137,271.10 : x
  2. Step 2: Convert to fraction form
    19,782,044.70/29,673,067.05 = 11,137,271.10/x
  3. Step 3: Cross multiply
    19,782,044.70x = 29,673,067.05 × 11,137,271.10
  4. Step 4: Simplify right side
    19,782,044.70x = 330,476,992,104,327.25
  5. Step 5: Solve for x
    x = 330,476,992,104,327.25/19,782,044.70
  6. Step 6: Final answer
    x = 16,705,906.65

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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.