Home / 9,239,921.62-12,751,176.66-5,109,739.30

Finding the Fourth Proportional to 9,239,921.62, 12,751,176.66 and 5,109,739.30

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Solution

The fourth proportional to 9,239,921.62, 12,751,176.66 and 5,109,739.30 is: 7,051,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239,921.62 : 12,751,176.66 = 5,109,739.30 : x
  2. Step 2: Convert to fraction form
    9,239,921.62/12,751,176.66 = 5,109,739.30/x
  3. Step 3: Cross multiply
    9,239,921.62x = 12,751,176.66 × 5,109,739.30
  4. Step 4: Simplify right side
    9,239,921.62x = 65,155,188,500,844.73
  5. Step 5: Solve for x
    x = 65,155,188,500,844.73/9,239,921.62
  6. Step 6: Final answer
    x = 7,051,487.14

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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.