Home / 18,647,636.29-25,730,321.94-10,387,493.01

Finding the Fourth Proportional to 18,647,636.29, 25,730,321.94 and 10,387,493.01

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Solution

The fourth proportional to 18,647,636.29, 25,730,321.94 and 10,387,493.01 is: 14,332,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647,636.29 : 25,730,321.94 = 10,387,493.01 : x
  2. Step 2: Convert to fraction form
    18,647,636.29/25,730,321.94 = 10,387,493.01/x
  3. Step 3: Cross multiply
    18,647,636.29x = 25,730,321.94 × 10,387,493.01
  4. Step 4: Simplify right side
    18,647,636.29x = 267,273,539,296,799.66
  5. Step 5: Solve for x
    x = 267,273,539,296,799.66/18,647,636.29
  6. Step 6: Final answer
    x = 14,332,837.43

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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.