Home / 7,180,234.06-9,907,367.82-4,279,894.80

Finding the Fourth Proportional to 7,180,234.06, 9,907,367.82 and 4,279,894.80

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Solution

The fourth proportional to 7,180,234.06, 9,907,367.82 and 4,279,894.80 is: 5,905,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,234.06 : 9,907,367.82 = 4,279,894.80 : x
  2. Step 2: Convert to fraction form
    7,180,234.06/9,907,367.82 = 4,279,894.80/x
  3. Step 3: Cross multiply
    7,180,234.06x = 9,907,367.82 × 4,279,894.80
  4. Step 4: Simplify right side
    7,180,234.06x = 42,402,491,993,105.86
  5. Step 5: Solve for x
    x = 42,402,491,993,105.86/7,180,234.06
  6. Step 6: Final answer
    x = 5,905,447.04

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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.