Home / 18,133,834.60-27,177,132.30-7,342,301.80

Finding the Fourth Proportional to 18,133,834.60, 27,177,132.30 and 7,342,301.80

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Solution

The fourth proportional to 18,133,834.60, 27,177,132.30 and 7,342,301.80 is: 11,003,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133,834.60 : 27,177,132.30 = 7,342,301.80 : x
  2. Step 2: Convert to fraction form
    18,133,834.60/27,177,132.30 = 7,342,301.80/x
  3. Step 3: Cross multiply
    18,133,834.60x = 27,177,132.30 × 7,342,301.80
  4. Step 4: Simplify right side
    18,133,834.60x = 199,542,707,405,128.12
  5. Step 5: Solve for x
    x = 199,542,707,405,128.12/18,133,834.60
  6. Step 6: Final answer
    x = 11,003,889.24

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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.