Home / 7,889,692.20-11,834,538.30-7,305,107.10

Finding the Fourth Proportional to 7,889,692.20, 11,834,538.30 and 7,305,107.10

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Solution

The fourth proportional to 7,889,692.20, 11,834,538.30 and 7,305,107.10 is: 10,957,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,692.20 : 11,834,538.30 = 7,305,107.10 : x
  2. Step 2: Convert to fraction form
    7,889,692.20/11,834,538.30 = 7,305,107.10/x
  3. Step 3: Cross multiply
    7,889,692.20x = 11,834,538.30 × 7,305,107.10
  4. Step 4: Simplify right side
    7,889,692.20x = 86,452,569,760,551.94
  5. Step 5: Solve for x
    x = 86,452,569,760,551.94/7,889,692.20
  6. Step 6: Final answer
    x = 10,957,660.65

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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.