Home / 12,661,098.22-17,465,945.07-8,309,580.58

Finding the Fourth Proportional to 12,661,098.22, 17,465,945.07 and 8,309,580.58

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Solution

The fourth proportional to 12,661,098.22, 17,465,945.07 and 8,309,580.58 is: 11,463,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661,098.22 : 17,465,945.07 = 8,309,580.58 : x
  2. Step 2: Convert to fraction form
    12,661,098.22/17,465,945.07 = 8,309,580.58/x
  3. Step 3: Cross multiply
    12,661,098.22x = 17,465,945.07 × 8,309,580.58
  4. Step 4: Simplify right side
    12,661,098.22x = 145,134,677,965,018.75
  5. Step 5: Solve for x
    x = 145,134,677,965,018.75/12,661,098.22
  6. Step 6: Final answer
    x = 11,463,040.21

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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.