Home / 15,404,788.92-21,259,272.42-8,529,270.60

Finding the Fourth Proportional to 15,404,788.92, 21,259,272.42 and 8,529,270.60

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Solution

The fourth proportional to 15,404,788.92, 21,259,272.42 and 8,529,270.60 is: 11,770,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,788.92 : 21,259,272.42 = 8,529,270.60 : x
  2. Step 2: Convert to fraction form
    15,404,788.92/21,259,272.42 = 8,529,270.60/x
  3. Step 3: Cross multiply
    15,404,788.92x = 21,259,272.42 × 8,529,270.60
  4. Step 4: Simplify right side
    15,404,788.92x = 181,326,087,229,296.84
  5. Step 5: Solve for x
    x = 181,326,087,229,296.84/15,404,788.92
  6. Step 6: Final answer
    x = 11,770,760.91

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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.