Home / 6,940,956.30-9,578,453.11-3,999,692.80

Finding the Fourth Proportional to 6,940,956.30, 9,578,453.11 and 3,999,692.80

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Solution

The fourth proportional to 6,940,956.30, 9,578,453.11 and 3,999,692.80 is: 5,519,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940,956.30 : 9,578,453.11 = 3,999,692.80 : x
  2. Step 2: Convert to fraction form
    6,940,956.30/9,578,453.11 = 3,999,692.80/x
  3. Step 3: Cross multiply
    6,940,956.30x = 9,578,453.11 × 3,999,692.80
  4. Step 4: Simplify right side
    6,940,956.30x = 38,310,869,939,204.60
  5. Step 5: Solve for x
    x = 38,310,869,939,204.60/6,940,956.30
  6. Step 6: Final answer
    x = 5,519,537.70

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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.