Home / 18,267,389.73-27,371,937.22-13,387,078.10

Finding the Fourth Proportional to 18,267,389.73, 27,371,937.22 and 13,387,078.10

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Solution

The fourth proportional to 18,267,389.73, 27,371,937.22 and 13,387,078.10 is: 20,059,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,389.73 : 27,371,937.22 = 13,387,078.10 : x
  2. Step 2: Convert to fraction form
    18,267,389.73/27,371,937.22 = 13,387,078.10/x
  3. Step 3: Cross multiply
    18,267,389.73x = 27,371,937.22 × 13,387,078.10
  4. Step 4: Simplify right side
    18,267,389.73x = 366,430,261,347,399
  5. Step 5: Solve for x
    x = 366,430,261,347,399/18,267,389.73
  6. Step 6: Final answer
    x = 20,059,256.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.