Home / 40,449,987-55,820,982.06-22,115,272.50

Finding the Fourth Proportional to 40,449,987, 55,820,982.06 and 22,115,272.50

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Solution

The fourth proportional to 40,449,987, 55,820,982.06 and 22,115,272.50 is: 30,519,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449,987 : 55,820,982.06 = 22,115,272.50 : x
  2. Step 2: Convert to fraction form
    40,449,987/55,820,982.06 = 22,115,272.50/x
  3. Step 3: Cross multiply
    40,449,987x = 55,820,982.06 × 22,115,272.50
  4. Step 4: Simplify right side
    40,449,987x = 1,234,496,229,474,511.50
  5. Step 5: Solve for x
    x = 1,234,496,229,474,511.50/40,449,987
  6. Step 6: Final answer
    x = 30,519,076.05

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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.