Home / 12,979,287.36-19,467,443.68-3,395,590.72

Finding the Fourth Proportional to 12,979,287.36, 19,467,443.68 and 3,395,590.72

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Solution

The fourth proportional to 12,979,287.36, 19,467,443.68 and 3,395,590.72 is: 5,092,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,287.36 : 19,467,443.68 = 3,395,590.72 : x
  2. Step 2: Convert to fraction form
    12,979,287.36/19,467,443.68 = 3,395,590.72/x
  3. Step 3: Cross multiply
    12,979,287.36x = 19,467,443.68 × 3,395,590.72
  4. Step 4: Simplify right side
    12,979,287.36x = 66,103,471,101,930.66
  5. Step 5: Solve for x
    x = 66,103,471,101,930.66/12,979,287.36
  6. Step 6: Final answer
    x = 5,092,996.96

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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.