Home / 20,467,972.12-30,699,854.22-6,819,644.44

Finding the Fourth Proportional to 20,467,972.12, 30,699,854.22 and 6,819,644.44

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Solution

The fourth proportional to 20,467,972.12, 30,699,854.22 and 6,819,644.44 is: 10,228,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467,972.12 : 30,699,854.22 = 6,819,644.44 : x
  2. Step 2: Convert to fraction form
    20,467,972.12/30,699,854.22 = 6,819,644.44/x
  3. Step 3: Cross multiply
    20,467,972.12x = 30,699,854.22 × 6,819,644.44
  4. Step 4: Simplify right side
    20,467,972.12x = 209,362,090,140,233.53
  5. Step 5: Solve for x
    x = 209,362,090,140,233.53/20,467,972.12
  6. Step 6: Final answer
    x = 10,228,765.65

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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.