Home / 19,910,171.78-29,876,848.77-8,394,916.94

Finding the Fourth Proportional to 19,910,171.78, 29,876,848.77 and 8,394,916.94

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Solution

The fourth proportional to 19,910,171.78, 29,876,848.77 and 8,394,916.94 is: 12,597,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910,171.78 : 29,876,848.77 = 8,394,916.94 : x
  2. Step 2: Convert to fraction form
    19,910,171.78/29,876,848.77 = 8,394,916.94/x
  3. Step 3: Cross multiply
    19,910,171.78x = 29,876,848.77 × 8,394,916.94
  4. Step 4: Simplify right side
    19,910,171.78x = 250,813,663,853,091.16
  5. Step 5: Solve for x
    x = 250,813,663,853,091.16/19,910,171.78
  6. Step 6: Final answer
    x = 12,597,262.68

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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.