Home / 20,155,882.22-30,227,621.97-5,775,096.86

Finding the Fourth Proportional to 20,155,882.22, 30,227,621.97 and 5,775,096.86

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Solution

The fourth proportional to 20,155,882.22, 30,227,621.97 and 5,775,096.86 is: 8,660,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,882.22 : 30,227,621.97 = 5,775,096.86 : x
  2. Step 2: Convert to fraction form
    20,155,882.22/30,227,621.97 = 5,775,096.86/x
  3. Step 3: Cross multiply
    20,155,882.22x = 30,227,621.97 × 5,775,096.86
  4. Step 4: Simplify right side
    20,155,882.22x = 174,567,444,724,214.03
  5. Step 5: Solve for x
    x = 174,567,444,724,214.03/20,155,882.22
  6. Step 6: Final answer
    x = 8,660,868.47

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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.