Home / 11,328,147.92-15,628,743.38-7,410,140.46

Finding the Fourth Proportional to 11,328,147.92, 15,628,743.38 and 7,410,140.46

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Solution

The fourth proportional to 11,328,147.92, 15,628,743.38 and 7,410,140.46 is: 10,223,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328,147.92 : 15,628,743.38 = 7,410,140.46 : x
  2. Step 2: Convert to fraction form
    11,328,147.92/15,628,743.38 = 7,410,140.46/x
  3. Step 3: Cross multiply
    11,328,147.92x = 15,628,743.38 × 7,410,140.46
  4. Step 4: Simplify right side
    11,328,147.92x = 115,811,183,677,620.50
  5. Step 5: Solve for x
    x = 115,811,183,677,620.50/11,328,147.92
  6. Step 6: Final answer
    x = 10,223,311.39

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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.