Home / 8,138,729.20-12,208,093.80-3,349,855.30

Finding the Fourth Proportional to 8,138,729.20, 12,208,093.80 and 3,349,855.30

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Solution

The fourth proportional to 8,138,729.20, 12,208,093.80 and 3,349,855.30 is: 5,024,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,729.20 : 12,208,093.80 = 3,349,855.30 : x
  2. Step 2: Convert to fraction form
    8,138,729.20/12,208,093.80 = 3,349,855.30/x
  3. Step 3: Cross multiply
    8,138,729.20x = 12,208,093.80 × 3,349,855.30
  4. Step 4: Simplify right side
    8,138,729.20x = 40,895,347,718,827.14
  5. Step 5: Solve for x
    x = 40,895,347,718,827.14/8,138,729.20
  6. Step 6: Final answer
    x = 5,024,782.95

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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.