Home / 18,372,213.40-27,558,320.10-12,632,650.60

Finding the Fourth Proportional to 18,372,213.40, 27,558,320.10 and 12,632,650.60

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Solution

The fourth proportional to 18,372,213.40, 27,558,320.10 and 12,632,650.60 is: 18,948,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,213.40 : 27,558,320.10 = 12,632,650.60 : x
  2. Step 2: Convert to fraction form
    18,372,213.40/27,558,320.10 = 12,632,650.60/x
  3. Step 3: Cross multiply
    18,372,213.40x = 27,558,320.10 × 12,632,650.60
  4. Step 4: Simplify right side
    18,372,213.40x = 348,134,628,946,257.06
  5. Step 5: Solve for x
    x = 348,134,628,946,257.06/18,372,213.40
  6. Step 6: Final answer
    x = 18,948,975.90

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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.