Home / 13,662,401.72-20,490,580.92-3,944,906.24

Finding the Fourth Proportional to 13,662,401.72, 20,490,580.92 and 3,944,906.24

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Solution

The fourth proportional to 13,662,401.72, 20,490,580.92 and 3,944,906.24 is: 5,916,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662,401.72 : 20,490,580.92 = 3,944,906.24 : x
  2. Step 2: Convert to fraction form
    13,662,401.72/20,490,580.92 = 3,944,906.24/x
  3. Step 3: Cross multiply
    13,662,401.72x = 20,490,580.92 × 3,944,906.24
  4. Step 4: Simplify right side
    13,662,401.72x = 80,833,420,532,532.95
  5. Step 5: Solve for x
    x = 80,833,420,532,532.95/13,662,401.72
  6. Step 6: Final answer
    x = 5,916,486.88

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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.