Home / 15,189,334.56-20,964,269.61-11,511,836.69

Finding the Fourth Proportional to 15,189,334.56, 20,964,269.61 and 11,511,836.69

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Solution

The fourth proportional to 15,189,334.56, 20,964,269.61 and 11,511,836.69 is: 15,888,599.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189,334.56 : 20,964,269.61 = 11,511,836.69 : x
  2. Step 2: Convert to fraction form
    15,189,334.56/20,964,269.61 = 11,511,836.69/x
  3. Step 3: Cross multiply
    15,189,334.56x = 20,964,269.61 × 11,511,836.69
  4. Step 4: Simplify right side
    15,189,334.56x = 241,337,247,970,628.66
  5. Step 5: Solve for x
    x = 241,337,247,970,628.66/15,189,334.56
  6. Step 6: Final answer
    x = 15,888,599.14

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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.