Home / 12,372,131.20-18,558,196.80-3,274,211.20

Finding the Fourth Proportional to 12,372,131.20, 18,558,196.80 and 3,274,211.20

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Solution

The fourth proportional to 12,372,131.20, 18,558,196.80 and 3,274,211.20 is: 4,911,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372,131.20 : 18,558,196.80 = 3,274,211.20 : x
  2. Step 2: Convert to fraction form
    12,372,131.20/18,558,196.80 = 3,274,211.20/x
  3. Step 3: Cross multiply
    12,372,131.20x = 18,558,196.80 × 3,274,211.20
  4. Step 4: Simplify right side
    12,372,131.20x = 60,763,455,814,364.16
  5. Step 5: Solve for x
    x = 60,763,455,814,364.16/12,372,131.20
  6. Step 6: Final answer
    x = 4,911,316.80

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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.