Home / 12,193,933.21-18,289,119.31-3,555,712.39

Finding the Fourth Proportional to 12,193,933.21, 18,289,119.31 and 3,555,712.39

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Solution

The fourth proportional to 12,193,933.21, 18,289,119.31 and 3,555,712.39 is: 5,333,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193,933.21 : 18,289,119.31 = 3,555,712.39 : x
  2. Step 2: Convert to fraction form
    12,193,933.21/18,289,119.31 = 3,555,712.39/x
  3. Step 3: Cross multiply
    12,193,933.21x = 18,289,119.31 × 3,555,712.39
  4. Step 4: Simplify right side
    12,193,933.21x = 65,030,848,032,420.38
  5. Step 5: Solve for x
    x = 65,030,848,032,420.38/12,193,933.21
  6. Step 6: Final answer
    x = 5,333,049.39

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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.