Home / 8,861,289.78-12,228,277.56-4,887,718.44

Finding the Fourth Proportional to 8,861,289.78, 12,228,277.56 and 4,887,718.44

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Solution

The fourth proportional to 8,861,289.78, 12,228,277.56 and 4,887,718.44 is: 6,744,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861,289.78 : 12,228,277.56 = 4,887,718.44 : x
  2. Step 2: Convert to fraction form
    8,861,289.78/12,228,277.56 = 4,887,718.44/x
  3. Step 3: Cross multiply
    8,861,289.78x = 12,228,277.56 × 4,887,718.44
  4. Step 4: Simplify right side
    8,861,289.78x = 59,768,377,719,450.21
  5. Step 5: Solve for x
    x = 59,768,377,719,450.21/8,861,289.78
  6. Step 6: Final answer
    x = 6,744,884.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.