Home / 8,191,245.38-12,286,824.30-2,125,972.67

Finding the Fourth Proportional to 8,191,245.38, 12,286,824.30 and 2,125,972.67

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Solution

The fourth proportional to 8,191,245.38, 12,286,824.30 and 2,125,972.67 is: 3,188,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,245.38 : 12,286,824.30 = 2,125,972.67 : x
  2. Step 2: Convert to fraction form
    8,191,245.38/12,286,824.30 = 2,125,972.67/x
  3. Step 3: Cross multiply
    8,191,245.38x = 12,286,824.30 × 2,125,972.67
  4. Step 4: Simplify right side
    8,191,245.38x = 26,121,452,601,457.76
  5. Step 5: Solve for x
    x = 26,121,452,601,457.76/8,191,245.38
  6. Step 6: Final answer
    x = 3,188,947.64

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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.