Home / 13,667,954.85-18,861,811.50-7,473,401.73

Finding the Fourth Proportional to 13,667,954.85, 18,861,811.50 and 7,473,401.73

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Solution

The fourth proportional to 13,667,954.85, 18,861,811.50 and 7,473,401.73 is: 10,313,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,954.85 : 18,861,811.50 = 7,473,401.73 : x
  2. Step 2: Convert to fraction form
    13,667,954.85/18,861,811.50 = 7,473,401.73/x
  3. Step 3: Cross multiply
    13,667,954.85x = 18,861,811.50 × 7,473,401.73
  4. Step 4: Simplify right side
    13,667,954.85x = 140,961,894,695,033.91
  5. Step 5: Solve for x
    x = 140,961,894,695,033.91/13,667,954.85
  6. Step 6: Final answer
    x = 10,313,312.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.