Home / 22,172,103.03-30,375,273.36-21,343,139.82

Finding the Fourth Proportional to 22,172,103.03, 30,375,273.36 and 21,343,139.82

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Solution

The fourth proportional to 22,172,103.03, 30,375,273.36 and 21,343,139.82 is: 29,239,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172,103.03 : 30,375,273.36 = 21,343,139.82 : x
  2. Step 2: Convert to fraction form
    22,172,103.03/30,375,273.36 = 21,343,139.82/x
  3. Step 3: Cross multiply
    22,172,103.03x = 30,375,273.36 × 21,343,139.82
  4. Step 4: Simplify right side
    22,172,103.03x = 648,303,706,241,324.88
  5. Step 5: Solve for x
    x = 648,303,706,241,324.88/22,172,103.03
  6. Step 6: Final answer
    x = 29,239,612.75

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.