Home / 13,345,198.60-20,017,799.82-3,247,819.72

Finding the Fourth Proportional to 13,345,198.60, 20,017,799.82 and 3,247,819.72

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Solution

The fourth proportional to 13,345,198.60, 20,017,799.82 and 3,247,819.72 is: 4,871,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,198.60 : 20,017,799.82 = 3,247,819.72 : x
  2. Step 2: Convert to fraction form
    13,345,198.60/20,017,799.82 = 3,247,819.72/x
  3. Step 3: Cross multiply
    13,345,198.60x = 20,017,799.82 × 3,247,819.72
  4. Step 4: Simplify right side
    13,345,198.60x = 65,014,205,006,408.45
  5. Step 5: Solve for x
    x = 65,014,205,006,408.45/13,345,198.60
  6. Step 6: Final answer
    x = 4,871,730.05

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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.