Home / 39,995,315.64-55,193,605.38-21,660,601.14

Finding the Fourth Proportional to 39,995,315.64, 55,193,605.38 and 21,660,601.14

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Solution

The fourth proportional to 39,995,315.64, 55,193,605.38 and 21,660,601.14 is: 29,891,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,995,315.64 : 55,193,605.38 = 21,660,601.14 : x
  2. Step 2: Convert to fraction form
    39,995,315.64/55,193,605.38 = 21,660,601.14/x
  3. Step 3: Cross multiply
    39,995,315.64x = 55,193,605.38 × 21,660,601.14
  4. Step 4: Simplify right side
    39,995,315.64x = 1,195,526,671,614,738.25
  5. Step 5: Solve for x
    x = 1,195,526,671,614,738.25/39,995,315.64
  6. Step 6: Final answer
    x = 29,891,667.37

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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.