Home / 7,981,452.35-11,969,655.93-2,863,767.86

Finding the Fourth Proportional to 7,981,452.35, 11,969,655.93 and 2,863,767.86

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Solution

The fourth proportional to 7,981,452.35, 11,969,655.93 and 2,863,767.86 is: 4,294,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,452.35 : 11,969,655.93 = 2,863,767.86 : x
  2. Step 2: Convert to fraction form
    7,981,452.35/11,969,655.93 = 2,863,767.86/x
  3. Step 3: Cross multiply
    7,981,452.35x = 11,969,655.93 × 2,863,767.86
  4. Step 4: Simplify right side
    7,981,452.35x = 34,278,315,932,630.34
  5. Step 5: Solve for x
    x = 34,278,315,932,630.34/7,981,452.35
  6. Step 6: Final answer
    x = 4,294,746.67

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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.