Home / 7,161,351.22-9,882,654.40-3,898,155.86

Finding the Fourth Proportional to 7,161,351.22, 9,882,654.40 and 3,898,155.86

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Solution

The fourth proportional to 7,161,351.22, 9,882,654.40 and 3,898,155.86 is: 5,379,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,351.22 : 9,882,654.40 = 3,898,155.86 : x
  2. Step 2: Convert to fraction form
    7,161,351.22/9,882,654.40 = 3,898,155.86/x
  3. Step 3: Cross multiply
    7,161,351.22x = 9,882,654.40 × 3,898,155.86
  4. Step 4: Simplify right side
    7,161,351.22x = 38,524,127,161,714.78
  5. Step 5: Solve for x
    x = 38,524,127,161,714.78/7,161,351.22
  6. Step 6: Final answer
    x = 5,379,449.49

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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.