Home / 18,451,837.80-27,677,756.70-12,081,738.60

Finding the Fourth Proportional to 18,451,837.80, 27,677,756.70 and 12,081,738.60

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Solution

The fourth proportional to 18,451,837.80, 27,677,756.70 and 12,081,738.60 is: 18,122,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,837.80 : 27,677,756.70 = 12,081,738.60 : x
  2. Step 2: Convert to fraction form
    18,451,837.80/27,677,756.70 = 12,081,738.60/x
  3. Step 3: Cross multiply
    18,451,837.80x = 27,677,756.70 × 12,081,738.60
  4. Step 4: Simplify right side
    18,451,837.80x = 334,395,421,483,798.62
  5. Step 5: Solve for x
    x = 334,395,421,483,798.62/18,451,837.80
  6. Step 6: Final answer
    x = 18,122,607.90

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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.