Home / 8,857,212.80-13,285,819.20-5,665,942.40

Finding the Fourth Proportional to 8,857,212.80, 13,285,819.20 and 5,665,942.40

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Solution

The fourth proportional to 8,857,212.80, 13,285,819.20 and 5,665,942.40 is: 8,498,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,212.80 : 13,285,819.20 = 5,665,942.40 : x
  2. Step 2: Convert to fraction form
    8,857,212.80/13,285,819.20 = 5,665,942.40/x
  3. Step 3: Cross multiply
    8,857,212.80x = 13,285,819.20 × 5,665,942.40
  4. Step 4: Simplify right side
    8,857,212.80x = 75,276,686,324,014.08
  5. Step 5: Solve for x
    x = 75,276,686,324,014.08/8,857,212.80
  6. Step 6: Final answer
    x = 8,498,913.60

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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.