Home / 17,259,917-23,819,257.18-9,419,857.32

Finding the Fourth Proportional to 17,259,917, 23,819,257.18 and 9,419,857.32

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Solution

The fourth proportional to 17,259,917, 23,819,257.18 and 9,419,857.32 is: 12,999,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,259,917 : 23,819,257.18 = 9,419,857.32 : x
  2. Step 2: Convert to fraction form
    17,259,917/23,819,257.18 = 9,419,857.32/x
  3. Step 3: Cross multiply
    17,259,917x = 23,819,257.18 × 9,419,857.32
  4. Step 4: Simplify right side
    17,259,917x = 224,374,004,103,985.56
  5. Step 5: Solve for x
    x = 224,374,004,103,985.56/17,259,917
  6. Step 6: Final answer
    x = 12,999,715.13

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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.