Home / 20,171,620.42-27,833,029.05-12,023,616.58

Finding the Fourth Proportional to 20,171,620.42, 27,833,029.05 and 12,023,616.58

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Solution

The fourth proportional to 20,171,620.42, 27,833,029.05 and 12,023,616.58 is: 16,590,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171,620.42 : 27,833,029.05 = 12,023,616.58 : x
  2. Step 2: Convert to fraction form
    20,171,620.42/27,833,029.05 = 12,023,616.58/x
  3. Step 3: Cross multiply
    20,171,620.42x = 27,833,029.05 × 12,023,616.58
  4. Step 4: Simplify right side
    20,171,620.42x = 334,653,669,557,201.69
  5. Step 5: Solve for x
    x = 334,653,669,557,201.69/20,171,620.42
  6. Step 6: Final answer
    x = 16,590,321.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.