Home / 18,325,977.60-27,465,346.80-11,129,872.80

Finding the Fourth Proportional to 18,325,977.60, 27,465,346.80 and 11,129,872.80

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Solution

The fourth proportional to 18,325,977.60, 27,465,346.80 and 11,129,872.80 is: 16,680,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325,977.60 : 27,465,346.80 = 11,129,872.80 : x
  2. Step 2: Convert to fraction form
    18,325,977.60/27,465,346.80 = 11,129,872.80/x
  3. Step 3: Cross multiply
    18,325,977.60x = 27,465,346.80 × 11,129,872.80
  4. Step 4: Simplify right side
    18,325,977.60x = 305,685,816,291,887.06
  5. Step 5: Solve for x
    x = 305,685,816,291,887.06/18,325,977.60
  6. Step 6: Final answer
    x = 16,680,464.36

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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.