Home / 13,891,979.70-20,797,419.15-9,910,667.70

Finding the Fourth Proportional to 13,891,979.70, 20,797,419.15 and 9,910,667.70

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Solution

The fourth proportional to 13,891,979.70, 20,797,419.15 and 9,910,667.70 is: 14,837,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,979.70 : 20,797,419.15 = 9,910,667.70 : x
  2. Step 2: Convert to fraction form
    13,891,979.70/20,797,419.15 = 9,910,667.70/x
  3. Step 3: Cross multiply
    13,891,979.70x = 20,797,419.15 × 9,910,667.70
  4. Step 4: Simplify right side
    13,891,979.70x = 206,116,310,213,266.44
  5. Step 5: Solve for x
    x = 206,116,310,213,266.44/13,891,979.70
  6. Step 6: Final answer
    x = 14,837,072.52

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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.