Home / 18,464,912.62-25,493,331.35-11,505,813.82

Finding the Fourth Proportional to 18,464,912.62, 25,493,331.35 and 11,505,813.82

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Solution

The fourth proportional to 18,464,912.62, 25,493,331.35 and 11,505,813.82 is: 15,885,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464,912.62 : 25,493,331.35 = 11,505,813.82 : x
  2. Step 2: Convert to fraction form
    18,464,912.62/25,493,331.35 = 11,505,813.82/x
  3. Step 3: Cross multiply
    18,464,912.62x = 25,493,331.35 × 11,505,813.82
  4. Step 4: Simplify right side
    18,464,912.62x = 293,321,524,129,700.50
  5. Step 5: Solve for x
    x = 293,321,524,129,700.50/18,464,912.62
  6. Step 6: Final answer
    x = 15,885,345.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.