Home / 21,787,103.68-32,685,353.12-10,863,249.60

Finding the Fourth Proportional to 21,787,103.68, 32,685,353.12 and 10,863,249.60

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Solution

The fourth proportional to 21,787,103.68, 32,685,353.12 and 10,863,249.60 is: 16,297,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787,103.68 : 32,685,353.12 = 10,863,249.60 : x
  2. Step 2: Convert to fraction form
    21,787,103.68/32,685,353.12 = 10,863,249.60/x
  3. Step 3: Cross multiply
    21,787,103.68x = 32,685,353.12 × 10,863,249.60
  4. Step 4: Simplify right side
    21,787,103.68x = 355,069,149,206,698.75
  5. Step 5: Solve for x
    x = 355,069,149,206,698.75/21,787,103.68
  6. Step 6: Final answer
    x = 16,297,216.67

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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.