Home / 7,858,692.83-10,839,150.23-6,939,299.90

Finding the Fourth Proportional to 7,858,692.83, 10,839,150.23 and 6,939,299.90

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Solution

The fourth proportional to 7,858,692.83, 10,839,150.23 and 6,939,299.90 is: 9,571,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,692.83 : 10,839,150.23 = 6,939,299.90 : x
  2. Step 2: Convert to fraction form
    7,858,692.83/10,839,150.23 = 6,939,299.90/x
  3. Step 3: Cross multiply
    7,858,692.83x = 10,839,150.23 × 6,939,299.90
  4. Step 4: Simplify right side
    7,858,692.83x = 75,216,114,018,231.72
  5. Step 5: Solve for x
    x = 75,216,114,018,231.72/7,858,692.83
  6. Step 6: Final answer
    x = 9,571,071.89

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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.