Home / 40,505,289.12-55,897,824-22,170,180.96

Finding the Fourth Proportional to 40,505,289.12, 55,897,824 and 22,170,180.96

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Solution

The fourth proportional to 40,505,289.12, 55,897,824 and 22,170,180.96 is: 30,595,137.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,505,289.12 : 55,897,824 = 22,170,180.96 : x
  2. Step 2: Convert to fraction form
    40,505,289.12/55,897,824 = 22,170,180.96/x
  3. Step 3: Cross multiply
    40,505,289.12x = 55,897,824 × 22,170,180.96
  4. Step 4: Simplify right side
    40,505,289.12x = 1,239,264,873,350,231
  5. Step 5: Solve for x
    x = 1,239,264,873,350,231/40,505,289.12
  6. Step 6: Final answer
    x = 30,595,137.09

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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.