Home / 13,039,204.88-18,006,355.68-8,401,131.92

Finding the Fourth Proportional to 13,039,204.88, 18,006,355.68 and 8,401,131.92

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Solution

The fourth proportional to 13,039,204.88, 18,006,355.68 and 8,401,131.92 is: 11,601,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,204.88 : 18,006,355.68 = 8,401,131.92 : x
  2. Step 2: Convert to fraction form
    13,039,204.88/18,006,355.68 = 8,401,131.92/x
  3. Step 3: Cross multiply
    13,039,204.88x = 18,006,355.68 × 8,401,131.92
  4. Step 4: Simplify right side
    13,039,204.88x = 151,273,769,466,121.31
  5. Step 5: Solve for x
    x = 151,273,769,466,121.31/13,039,204.88
  6. Step 6: Final answer
    x = 11,601,456.60

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1.5x scale

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.