Home / 13,404,963.88-18,498,297.38-7,293,416.68

Finding the Fourth Proportional to 13,404,963.88, 18,498,297.38 and 7,293,416.68

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Solution

The fourth proportional to 13,404,963.88, 18,498,297.38 and 7,293,416.68 is: 10,064,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404,963.88 : 18,498,297.38 = 7,293,416.68 : x
  2. Step 2: Convert to fraction form
    13,404,963.88/18,498,297.38 = 7,293,416.68/x
  3. Step 3: Cross multiply
    13,404,963.88x = 18,498,297.38 × 7,293,416.68
  4. Step 4: Simplify right side
    13,404,963.88x = 134,915,790,662,892.28
  5. Step 5: Solve for x
    x = 134,915,790,662,892.28/13,404,963.88
  6. Step 6: Final answer
    x = 10,064,614.26

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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.