Home / 15,259,945.45-21,053,516.43-9,456,609.73

Finding the Fourth Proportional to 15,259,945.45, 21,053,516.43 and 9,456,609.73

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Solution

The fourth proportional to 15,259,945.45, 21,053,516.43 and 9,456,609.73 is: 13,046,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259,945.45 : 21,053,516.43 = 9,456,609.73 : x
  2. Step 2: Convert to fraction form
    15,259,945.45/21,053,516.43 = 9,456,609.73/x
  3. Step 3: Cross multiply
    15,259,945.45x = 21,053,516.43 × 9,456,609.73
  4. Step 4: Simplify right side
    15,259,945.45x = 199,094,888,322,652.88
  5. Step 5: Solve for x
    x = 199,094,888,322,652.88/15,259,945.45
  6. Step 6: Final answer
    x = 13,046,893.84

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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.