Home / 18,133,833.60-27,177,130.80-7,342,300.80

Finding the Fourth Proportional to 18,133,833.60, 27,177,130.80 and 7,342,300.80

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Solution

The fourth proportional to 18,133,833.60, 27,177,130.80 and 7,342,300.80 is: 11,003,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133,833.60 : 27,177,130.80 = 7,342,300.80 : x
  2. Step 2: Convert to fraction form
    18,133,833.60/27,177,130.80 = 7,342,300.80/x
  3. Step 3: Cross multiply
    18,133,833.60x = 27,177,130.80 × 7,342,300.80
  4. Step 4: Simplify right side
    18,133,833.60x = 199,542,669,214,544.62
  5. Step 5: Solve for x
    x = 199,542,669,214,544.62/18,133,833.60
  6. Step 6: Final answer
    x = 11,003,887.74

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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.