Home / 21,331,219.34-29,436,872.82-11,541,448.64

Finding the Fourth Proportional to 21,331,219.34, 29,436,872.82 and 11,541,448.64

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Solution

The fourth proportional to 21,331,219.34, 29,436,872.82 and 11,541,448.64 is: 15,927,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331,219.34 : 29,436,872.82 = 11,541,448.64 : x
  2. Step 2: Convert to fraction form
    21,331,219.34/29,436,872.82 = 11,541,448.64/x
  3. Step 3: Cross multiply
    21,331,219.34x = 29,436,872.82 × 11,541,448.64
  4. Step 4: Simplify right side
    21,331,219.34x = 339,744,155,627,057.62
  5. Step 5: Solve for x
    x = 339,744,155,627,057.62/21,331,219.34
  6. Step 6: Final answer
    x = 15,927,085.57

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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.