Home / 40,182,371.06-55,451,282.33-21,847,656.56

Finding the Fourth Proportional to 40,182,371.06, 55,451,282.33 and 21,847,656.56

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Solution

The fourth proportional to 40,182,371.06, 55,451,282.33 and 21,847,656.56 is: 30,149,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,182,371.06 : 55,451,282.33 = 21,847,656.56 : x
  2. Step 2: Convert to fraction form
    40,182,371.06/55,451,282.33 = 21,847,656.56/x
  3. Step 3: Cross multiply
    40,182,371.06x = 55,451,282.33 × 21,847,656.56
  4. Step 4: Simplify right side
    40,182,371.06x = 1,211,480,571,934,799.25
  5. Step 5: Solve for x
    x = 1,211,480,571,934,799.25/40,182,371.06
  6. Step 6: Final answer
    x = 30,149,554.15

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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.