Home / 13,158,830.20-19,738,245.30-5,584,811.80

Finding the Fourth Proportional to 13,158,830.20, 19,738,245.30 and 5,584,811.80

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Solution

The fourth proportional to 13,158,830.20, 19,738,245.30 and 5,584,811.80 is: 8,377,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,830.20 : 19,738,245.30 = 5,584,811.80 : x
  2. Step 2: Convert to fraction form
    13,158,830.20/19,738,245.30 = 5,584,811.80/x
  3. Step 3: Cross multiply
    13,158,830.20x = 19,738,245.30 × 5,584,811.80
  4. Step 4: Simplify right side
    13,158,830.20x = 110,234,385,262,734.55
  5. Step 5: Solve for x
    x = 110,234,385,262,734.55/13,158,830.20
  6. Step 6: Final answer
    x = 8,377,217.70

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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.