Home / 21,591,939.35-29,796,874.28-11,802,422.46

Finding the Fourth Proportional to 21,591,939.35, 29,796,874.28 and 11,802,422.46

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Solution

The fourth proportional to 21,591,939.35, 29,796,874.28 and 11,802,422.46 is: 16,287,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591,939.35 : 29,796,874.28 = 11,802,422.46 : x
  2. Step 2: Convert to fraction form
    21,591,939.35/29,796,874.28 = 11,802,422.46/x
  3. Step 3: Cross multiply
    21,591,939.35x = 29,796,874.28 × 11,802,422.46
  4. Step 4: Simplify right side
    21,591,939.35x = 351,675,298,291,244.88
  5. Step 5: Solve for x
    x = 351,675,298,291,244.88/21,591,939.35
  6. Step 6: Final answer
    x = 16,287,341.89

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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.