Home / 13,053,308.78-17,990,764.40-9,561,228.56

Finding the Fourth Proportional to 13,053,308.78, 17,990,764.40 and 9,561,228.56

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Solution

The fourth proportional to 13,053,308.78, 17,990,764.40 and 9,561,228.56 is: 13,177,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,308.78 : 17,990,764.40 = 9,561,228.56 : x
  2. Step 2: Convert to fraction form
    13,053,308.78/17,990,764.40 = 9,561,228.56/x
  3. Step 3: Cross multiply
    13,053,308.78x = 17,990,764.40 × 9,561,228.56
  4. Step 4: Simplify right side
    13,053,308.78x = 172,013,810,259,751.28
  5. Step 5: Solve for x
    x = 172,013,810,259,751.28/13,053,308.78
  6. Step 6: Final answer
    x = 13,177,793.71

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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.