Home / 12,661,097.22-17,465,943.69-8,309,579.58

Finding the Fourth Proportional to 12,661,097.22, 17,465,943.69 and 8,309,579.58

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Solution

The fourth proportional to 12,661,097.22, 17,465,943.69 and 8,309,579.58 is: 11,463,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661,097.22 : 17,465,943.69 = 8,309,579.58 : x
  2. Step 2: Convert to fraction form
    12,661,097.22/17,465,943.69 = 8,309,579.58/x
  3. Step 3: Cross multiply
    12,661,097.22x = 17,465,943.69 × 8,309,579.58
  4. Step 4: Simplify right side
    12,661,097.22x = 145,134,649,031,853.88
  5. Step 5: Solve for x
    x = 145,134,649,031,853.88/12,661,097.22
  6. Step 6: Final answer
    x = 11,463,038.83

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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.