Home / 20,031,993.83-30,047,059.88-8,355,546.15

Finding the Fourth Proportional to 20,031,993.83, 30,047,059.88 and 8,355,546.15

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Solution

The fourth proportional to 20,031,993.83, 30,047,059.88 and 8,355,546.15 is: 12,532,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031,993.83 : 30,047,059.88 = 8,355,546.15 : x
  2. Step 2: Convert to fraction form
    20,031,993.83/30,047,059.88 = 8,355,546.15/x
  3. Step 3: Cross multiply
    20,031,993.83x = 30,047,059.88 × 8,355,546.15
  4. Step 4: Simplify right side
    20,031,993.83x = 251,059,595,457,375.75
  5. Step 5: Solve for x
    x = 251,059,595,457,375.75/20,031,993.83
  6. Step 6: Final answer
    x = 12,532,930.95

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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.