Home / 8,122,408.20-11,208,678.90-4,451,279.88

Finding the Fourth Proportional to 8,122,408.20, 11,208,678.90 and 4,451,279.88

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Solution

The fourth proportional to 8,122,408.20, 11,208,678.90 and 4,451,279.88 is: 6,142,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,408.20 : 11,208,678.90 = 4,451,279.88 : x
  2. Step 2: Convert to fraction form
    8,122,408.20/11,208,678.90 = 4,451,279.88/x
  3. Step 3: Cross multiply
    8,122,408.20x = 11,208,678.90 × 4,451,279.88
  4. Step 4: Simplify right side
    8,122,408.20x = 49,892,966,868,950.53
  5. Step 5: Solve for x
    x = 49,892,966,868,950.53/8,122,408.20
  6. Step 6: Final answer
    x = 6,142,632.29

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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.