Home / 15,189,331.06-20,964,264.78-11,511,833.19

Finding the Fourth Proportional to 15,189,331.06, 20,964,264.78 and 11,511,833.19

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Solution

The fourth proportional to 15,189,331.06, 20,964,264.78 and 11,511,833.19 is: 15,888,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189,331.06 : 20,964,264.78 = 11,511,833.19 : x
  2. Step 2: Convert to fraction form
    15,189,331.06/20,964,264.78 = 11,511,833.19/x
  3. Step 3: Cross multiply
    15,189,331.06x = 20,964,264.78 × 11,511,833.19
  4. Step 4: Simplify right side
    15,189,331.06x = 241,337,118,993,530.75
  5. Step 5: Solve for x
    x = 241,337,118,993,530.75/15,189,331.06
  6. Step 6: Final answer
    x = 15,888,594.31

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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.