Home / 20,416,568.18-30,623,245.23-8,901,763.70

Finding the Fourth Proportional to 20,416,568.18, 30,623,245.23 and 8,901,763.70

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Solution

The fourth proportional to 20,416,568.18, 30,623,245.23 and 8,901,763.70 is: 13,351,944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416,568.18 : 30,623,245.23 = 8,901,763.70 : x
  2. Step 2: Convert to fraction form
    20,416,568.18/30,623,245.23 = 8,901,763.70/x
  3. Step 3: Cross multiply
    20,416,568.18x = 30,623,245.23 × 8,901,763.70
  4. Step 4: Simplify right side
    20,416,568.18x = 272,600,892,764,612.12
  5. Step 5: Solve for x
    x = 272,600,892,764,612.12/20,416,568.18
  6. Step 6: Final answer
    x = 13,351,944.87

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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.