Home / 34,277,719.69-51,420,481.15-12,428,388.52

Finding the Fourth Proportional to 34,277,719.69, 51,420,481.15 and 12,428,388.52

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Solution

The fourth proportional to 34,277,719.69, 51,420,481.15 and 12,428,388.52 is: 18,643,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,277,719.69 : 51,420,481.15 = 12,428,388.52 : x
  2. Step 2: Convert to fraction form
    34,277,719.69/51,420,481.15 = 12,428,388.52/x
  3. Step 3: Cross multiply
    34,277,719.69x = 51,420,481.15 × 12,428,388.52
  4. Step 4: Simplify right side
    34,277,719.69x = 639,073,717,617,536.38
  5. Step 5: Solve for x
    x = 639,073,717,617,536.38/34,277,719.69
  6. Step 6: Final answer
    x = 18,643,997.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.