Home / 20,135,797.22-30,186,974.55-7,997,772.26

Finding the Fourth Proportional to 20,135,797.22, 30,186,974.55 and 7,997,772.26

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Solution

The fourth proportional to 20,135,797.22, 30,186,974.55 and 7,997,772.26 is: 11,990,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135,797.22 : 30,186,974.55 = 7,997,772.26 : x
  2. Step 2: Convert to fraction form
    20,135,797.22/30,186,974.55 = 7,997,772.26/x
  3. Step 3: Cross multiply
    20,135,797.22x = 30,186,974.55 × 7,997,772.26
  4. Step 4: Simplify right side
    20,135,797.22x = 241,428,547,669,315.97
  5. Step 5: Solve for x
    x = 241,428,547,669,315.97/20,135,797.22
  6. Step 6: Final answer
    x = 11,990,016.84

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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.