Home / 13,623,291.54-20,444,513.94-12,320,856.90

Finding the Fourth Proportional to 13,623,291.54, 20,444,513.94 and 12,320,856.90

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Solution

The fourth proportional to 13,623,291.54, 20,444,513.94 and 12,320,856.90 is: 18,489,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623,291.54 : 20,444,513.94 = 12,320,856.90 : x
  2. Step 2: Convert to fraction form
    13,623,291.54/20,444,513.94 = 12,320,856.90/x
  3. Step 3: Cross multiply
    13,623,291.54x = 20,444,513.94 × 12,320,856.90
  4. Step 4: Simplify right side
    13,623,291.54x = 251,893,930,644,795.22
  5. Step 5: Solve for x
    x = 251,893,930,644,795.22/13,623,291.54
  6. Step 6: Final answer
    x = 18,489,946.42

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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.