Home / 7,662,939.20-11,493,487.20-3,174,747.20

Finding the Fourth Proportional to 7,662,939.20, 11,493,487.20 and 3,174,747.20

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Solution

The fourth proportional to 7,662,939.20, 11,493,487.20 and 3,174,747.20 is: 4,761,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662,939.20 : 11,493,487.20 = 3,174,747.20 : x
  2. Step 2: Convert to fraction form
    7,662,939.20/11,493,487.20 = 3,174,747.20/x
  3. Step 3: Cross multiply
    7,662,939.20x = 11,493,487.20 × 3,174,747.20
  4. Step 4: Simplify right side
    7,662,939.20x = 36,488,916,306,435.84
  5. Step 5: Solve for x
    x = 36,488,916,306,435.84/7,662,939.20
  6. Step 6: Final answer
    x = 4,761,738.98

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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.