Home / 11,987,845.70-17,967,006.30-8,149,660.70

Finding the Fourth Proportional to 11,987,845.70, 17,967,006.30 and 8,149,660.70

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Solution

The fourth proportional to 11,987,845.70, 17,967,006.30 and 8,149,660.70 is: 12,214,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987,845.70 : 17,967,006.30 = 8,149,660.70 : x
  2. Step 2: Convert to fraction form
    11,987,845.70/17,967,006.30 = 8,149,660.70/x
  3. Step 3: Cross multiply
    11,987,845.70x = 17,967,006.30 × 8,149,660.70
  4. Step 4: Simplify right side
    11,987,845.70x = 146,425,005,139,762.41
  5. Step 5: Solve for x
    x = 146,425,005,139,762.41/11,987,845.70
  6. Step 6: Final answer
    x = 12,214,455.27

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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.