Home / 12,481,937.70-18,722,906.55-8,230,409.70

Finding the Fourth Proportional to 12,481,937.70, 18,722,906.55 and 8,230,409.70

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Solution

The fourth proportional to 12,481,937.70, 18,722,906.55 and 8,230,409.70 is: 12,345,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,937.70 : 18,722,906.55 = 8,230,409.70 : x
  2. Step 2: Convert to fraction form
    12,481,937.70/18,722,906.55 = 8,230,409.70/x
  3. Step 3: Cross multiply
    12,481,937.70x = 18,722,906.55 × 8,230,409.70
  4. Step 4: Simplify right side
    12,481,937.70x = 154,097,191,681,313.53
  5. Step 5: Solve for x
    x = 154,097,191,681,313.53/12,481,937.70
  6. Step 6: Final answer
    x = 12,345,614.55

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1.5x scale

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.