Home / 39,366,022.82-54,325,145.48-21,962,371.59

Finding the Fourth Proportional to 39,366,022.82, 54,325,145.48 and 21,962,371.59

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Solution

The fourth proportional to 39,366,022.82, 54,325,145.48 and 21,962,371.59 is: 30,308,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,022.82 : 54,325,145.48 = 21,962,371.59 : x
  2. Step 2: Convert to fraction form
    39,366,022.82/54,325,145.48 = 21,962,371.59/x
  3. Step 3: Cross multiply
    39,366,022.82x = 54,325,145.48 × 21,962,371.59
  4. Step 4: Simplify right side
    39,366,022.82x = 1,193,109,031,602,757
  5. Step 5: Solve for x
    x = 1,193,109,031,602,757/39,366,022.82
  6. Step 6: Final answer
    x = 30,308,091.76

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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.