Home / 20,155,881.72-30,227,621.22-5,775,096.36

Finding the Fourth Proportional to 20,155,881.72, 30,227,621.22 and 5,775,096.36

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Solution

The fourth proportional to 20,155,881.72, 30,227,621.22 and 5,775,096.36 is: 8,660,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,881.72 : 30,227,621.22 = 5,775,096.36 : x
  2. Step 2: Convert to fraction form
    20,155,881.72/30,227,621.22 = 5,775,096.36/x
  3. Step 3: Cross multiply
    20,155,881.72x = 30,227,621.22 × 5,775,096.36
  4. Step 4: Simplify right side
    20,155,881.72x = 174,567,425,279,080.75
  5. Step 5: Solve for x
    x = 174,567,425,279,080.75/20,155,881.72
  6. Step 6: Final answer
    x = 8,660,867.72

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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.