Home / 6,387,416.70-9,588,123.45-3,993,963.90

Finding the Fourth Proportional to 6,387,416.70, 9,588,123.45 and 3,993,963.90

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Solution

The fourth proportional to 6,387,416.70, 9,588,123.45 and 3,993,963.90 is: 5,995,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,416.70 : 9,588,123.45 = 3,993,963.90 : x
  2. Step 2: Convert to fraction form
    6,387,416.70/9,588,123.45 = 3,993,963.90/x
  3. Step 3: Cross multiply
    6,387,416.70x = 9,588,123.45 × 3,993,963.90
  4. Step 4: Simplify right side
    6,387,416.70x = 38,294,618,928,043.45
  5. Step 5: Solve for x
    x = 38,294,618,928,043.45/6,387,416.70
  6. Step 6: Final answer
    x = 5,995,321.85

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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.