Home / 20,219,003.10-30,328,504.65-18,203,463.90

Finding the Fourth Proportional to 20,219,003.10, 30,328,504.65 and 18,203,463.90

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Solution

The fourth proportional to 20,219,003.10, 30,328,504.65 and 18,203,463.90 is: 27,305,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,003.10 : 30,328,504.65 = 18,203,463.90 : x
  2. Step 2: Convert to fraction form
    20,219,003.10/30,328,504.65 = 18,203,463.90/x
  3. Step 3: Cross multiply
    20,219,003.10x = 30,328,504.65 × 18,203,463.90
  4. Step 4: Simplify right side
    20,219,003.10x = 552,083,839,537,257.06
  5. Step 5: Solve for x
    x = 552,083,839,537,257.06/20,219,003.10
  6. Step 6: Final answer
    x = 27,305,195.85

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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.