Home / 13,491,805.50-18,618,692.30-7,296,850.47

Finding the Fourth Proportional to 13,491,805.50, 18,618,692.30 and 7,296,850.47

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Solution

The fourth proportional to 13,491,805.50, 18,618,692.30 and 7,296,850.47 is: 10,069,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491,805.50 : 18,618,692.30 = 7,296,850.47 : x
  2. Step 2: Convert to fraction form
    13,491,805.50/18,618,692.30 = 7,296,850.47/x
  3. Step 3: Cross multiply
    13,491,805.50x = 18,618,692.30 × 7,296,850.47
  4. Step 4: Simplify right side
    13,491,805.50x = 135,857,813,720,739.41
  5. Step 5: Solve for x
    x = 135,857,813,720,739.41/13,491,805.50
  6. Step 6: Final answer
    x = 10,069,654.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.