Home / 17,979,739.80-26,969,609.70-11,933,122.20

Finding the Fourth Proportional to 17,979,739.80, 26,969,609.70 and 11,933,122.20

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Solution

The fourth proportional to 17,979,739.80, 26,969,609.70 and 11,933,122.20 is: 17,899,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979,739.80 : 26,969,609.70 = 11,933,122.20 : x
  2. Step 2: Convert to fraction form
    17,979,739.80/26,969,609.70 = 11,933,122.20/x
  3. Step 3: Cross multiply
    17,979,739.80x = 26,969,609.70 × 11,933,122.20
  4. Step 4: Simplify right side
    17,979,739.80x = 321,831,648,236,405.31
  5. Step 5: Solve for x
    x = 321,831,648,236,405.31/17,979,739.80
  6. Step 6: Final answer
    x = 17,899,683.30

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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.