Home / 13,320,779.80-19,981,169.70-9,016,107.70

Finding the Fourth Proportional to 13,320,779.80, 19,981,169.70 and 9,016,107.70

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Solution

The fourth proportional to 13,320,779.80, 19,981,169.70 and 9,016,107.70 is: 13,524,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,779.80 : 19,981,169.70 = 9,016,107.70 : x
  2. Step 2: Convert to fraction form
    13,320,779.80/19,981,169.70 = 9,016,107.70/x
  3. Step 3: Cross multiply
    13,320,779.80x = 19,981,169.70 × 9,016,107.70
  4. Step 4: Simplify right side
    13,320,779.80x = 180,152,377,987,176.66
  5. Step 5: Solve for x
    x = 180,152,377,987,176.66/13,320,779.80
  6. Step 6: Final answer
    x = 13,524,161.55

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Double scale
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Similar ratio
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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.