Home / 12,028,991.10-18,024,911.43-8,123,138.04

Finding the Fourth Proportional to 12,028,991.10, 18,024,911.43 and 8,123,138.04

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Solution

The fourth proportional to 12,028,991.10, 18,024,911.43 and 8,123,138.04 is: 12,172,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028,991.10 : 18,024,911.43 = 8,123,138.04 : x
  2. Step 2: Convert to fraction form
    12,028,991.10/18,024,911.43 = 8,123,138.04/x
  3. Step 3: Cross multiply
    12,028,991.10x = 18,024,911.43 × 8,123,138.04
  4. Step 4: Simplify right side
    12,028,991.10x = 146,418,843,704,663.78
  5. Step 5: Solve for x
    x = 146,418,843,704,663.78/12,028,991.10
  6. Step 6: Final answer
    x = 12,172,163.28

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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.