Home / 11,940,069.09-17,910,298.05-3,420,372.45

Finding the Fourth Proportional to 11,940,069.09, 17,910,298.05 and 3,420,372.45

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Solution

The fourth proportional to 11,940,069.09, 17,910,298.05 and 3,420,372.45 is: 5,130,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940,069.09 : 17,910,298.05 = 3,420,372.45 : x
  2. Step 2: Convert to fraction form
    11,940,069.09/17,910,298.05 = 3,420,372.45/x
  3. Step 3: Cross multiply
    11,940,069.09x = 17,910,298.05 × 3,420,372.45
  4. Step 4: Simplify right side
    11,940,069.09x = 61,259,890,021,508.73
  5. Step 5: Solve for x
    x = 61,259,890,021,508.73/11,940,069.09
  6. Step 6: Final answer
    x = 5,130,614.37

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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.