Home / 12,882,414.48-17,777,627.19-7,081,134.54

Finding the Fourth Proportional to 12,882,414.48, 17,777,627.19 and 7,081,134.54

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Solution

The fourth proportional to 12,882,414.48, 17,777,627.19 and 7,081,134.54 is: 9,771,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,414.48 : 17,777,627.19 = 7,081,134.54 : x
  2. Step 2: Convert to fraction form
    12,882,414.48/17,777,627.19 = 7,081,134.54/x
  3. Step 3: Cross multiply
    12,882,414.48x = 17,777,627.19 × 7,081,134.54
  4. Step 4: Simplify right side
    12,882,414.48x = 125,885,769,934,352.16
  5. Step 5: Solve for x
    x = 125,885,769,934,352.16/12,882,414.48
  6. Step 6: Final answer
    x = 9,771,908.06

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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.