Home / 7,200,178.25-10,800,277.77-2,940,346.49

Finding the Fourth Proportional to 7,200,178.25, 10,800,277.77 and 2,940,346.49

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Solution

The fourth proportional to 7,200,178.25, 10,800,277.77 and 2,940,346.49 is: 4,410,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,178.25 : 10,800,277.77 = 2,940,346.49 : x
  2. Step 2: Convert to fraction form
    7,200,178.25/10,800,277.77 = 2,940,346.49/x
  3. Step 3: Cross multiply
    7,200,178.25x = 10,800,277.77 × 2,940,346.49
  4. Step 4: Simplify right side
    7,200,178.25x = 31,756,558,778,043.14
  5. Step 5: Solve for x
    x = 31,756,558,778,043.14/7,200,178.25
  6. Step 6: Final answer
    x = 4,410,523.97

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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.