Home / 13,858,363.76-20,786,546.28-4,272,741.68

Finding the Fourth Proportional to 13,858,363.76, 20,786,546.28 and 4,272,741.68

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Solution

The fourth proportional to 13,858,363.76, 20,786,546.28 and 4,272,741.68 is: 6,408,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,363.76 : 20,786,546.28 = 4,272,741.68 : x
  2. Step 2: Convert to fraction form
    13,858,363.76/20,786,546.28 = 4,272,741.68/x
  3. Step 3: Cross multiply
    13,858,363.76x = 20,786,546.28 × 4,272,741.68
  4. Step 4: Simplify right side
    13,858,363.76x = 88,815,542,673,804.95
  5. Step 5: Solve for x
    x = 88,815,542,673,804.95/13,858,363.76
  6. Step 6: Final answer
    x = 6,408,804.40

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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.