Home / 12,476,855.70-18,715,283.55-4,391,079.30

Finding the Fourth Proportional to 12,476,855.70, 18,715,283.55 and 4,391,079.30

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Solution

The fourth proportional to 12,476,855.70, 18,715,283.55 and 4,391,079.30 is: 6,586,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,855.70 : 18,715,283.55 = 4,391,079.30 : x
  2. Step 2: Convert to fraction form
    12,476,855.70/18,715,283.55 = 4,391,079.30/x
  3. Step 3: Cross multiply
    12,476,855.70x = 18,715,283.55 × 4,391,079.30
  4. Step 4: Simplify right side
    12,476,855.70x = 82,180,294,190,035.52
  5. Step 5: Solve for x
    x = 82,180,294,190,035.52/12,476,855.70
  6. Step 6: Final answer
    x = 6,586,618.95

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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.