Home / 21,844,892.82-30,157,286.26-15,957,916.66

Finding the Fourth Proportional to 21,844,892.82, 30,157,286.26 and 15,957,916.66

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Solution

The fourth proportional to 21,844,892.82, 30,157,286.26 and 15,957,916.66 is: 22,030,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844,892.82 : 30,157,286.26 = 15,957,916.66 : x
  2. Step 2: Convert to fraction form
    21,844,892.82/30,157,286.26 = 15,957,916.66/x
  3. Step 3: Cross multiply
    21,844,892.82x = 30,157,286.26 × 15,957,916.66
  4. Step 4: Simplify right side
    21,844,892.82x = 481,247,460,828,843.12
  5. Step 5: Solve for x
    x = 481,247,460,828,843.12/21,844,892.82
  6. Step 6: Final answer
    x = 22,030,204.72

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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.