Home / 40,196,207.82-55,469,173.23-21,861,488.46

Finding the Fourth Proportional to 40,196,207.82, 55,469,173.23 and 21,861,488.46

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Solution

The fourth proportional to 40,196,207.82, 55,469,173.23 and 21,861,488.46 is: 30,167,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,196,207.82 : 55,469,173.23 = 21,861,488.46 : x
  2. Step 2: Convert to fraction form
    40,196,207.82/55,469,173.23 = 21,861,488.46/x
  3. Step 3: Cross multiply
    40,196,207.82x = 55,469,173.23 × 21,861,488.46
  4. Step 4: Simplify right side
    40,196,207.82x = 1,212,638,690,453,386
  5. Step 5: Solve for x
    x = 1,212,638,690,453,386/40,196,207.82
  6. Step 6: Final answer
    x = 30,167,987.39

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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.