Home / 20,155,884.72-30,227,625.72-5,775,099.36

Finding the Fourth Proportional to 20,155,884.72, 30,227,625.72 and 5,775,099.36

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Solution

The fourth proportional to 20,155,884.72, 30,227,625.72 and 5,775,099.36 is: 8,660,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,884.72 : 30,227,625.72 = 5,775,099.36 : x
  2. Step 2: Convert to fraction form
    20,155,884.72/30,227,625.72 = 5,775,099.36/x
  3. Step 3: Cross multiply
    20,155,884.72x = 30,227,625.72 × 5,775,099.36
  4. Step 4: Simplify right side
    20,155,884.72x = 174,567,541,949,891.53
  5. Step 5: Solve for x
    x = 174,567,541,949,891.53/20,155,884.72
  6. Step 6: Final answer
    x = 8,660,872.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.