Home / 17,259,916-23,819,255.80-9,419,856.32

Finding the Fourth Proportional to 17,259,916, 23,819,255.80 and 9,419,856.32

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Solution

The fourth proportional to 17,259,916, 23,819,255.80 and 9,419,856.32 is: 12,999,713.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,259,916 : 23,819,255.80 = 9,419,856.32 : x
  2. Step 2: Convert to fraction form
    17,259,916/23,819,255.80 = 9,419,856.32/x
  3. Step 3: Cross multiply
    17,259,916x = 23,819,255.80 × 9,419,856.32
  4. Step 4: Simplify right side
    17,259,916x = 224,373,967,285,326.66
  5. Step 5: Solve for x
    x = 224,373,967,285,326.66/17,259,916
  6. Step 6: Final answer
    x = 12,999,713.75

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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.