Home / 13,438,338.20-20,207,273.70-11,248,616.60

Finding the Fourth Proportional to 13,438,338.20, 20,207,273.70 and 11,248,616.60

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Solution

The fourth proportional to 13,438,338.20, 20,207,273.70 and 11,248,616.60 is: 16,914,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,338.20 : 20,207,273.70 = 11,248,616.60 : x
  2. Step 2: Convert to fraction form
    13,438,338.20/20,207,273.70 = 11,248,616.60/x
  3. Step 3: Cross multiply
    13,438,338.20x = 20,207,273.70 × 11,248,616.60
  4. Step 4: Simplify right side
    13,438,338.20x = 227,303,874,382,563.41
  5. Step 5: Solve for x
    x = 227,303,874,382,563.41/13,438,338.20
  6. Step 6: Final answer
    x = 16,914,582.07

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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.