Home / 18,132,348.60-27,174,903.30-7,340,815.80

Finding the Fourth Proportional to 18,132,348.60, 27,174,903.30 and 7,340,815.80

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Solution

The fourth proportional to 18,132,348.60, 27,174,903.30 and 7,340,815.80 is: 11,001,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132,348.60 : 27,174,903.30 = 7,340,815.80 : x
  2. Step 2: Convert to fraction form
    18,132,348.60/27,174,903.30 = 7,340,815.80/x
  3. Step 3: Cross multiply
    18,132,348.60x = 27,174,903.30 × 7,340,815.80
  4. Step 4: Simplify right side
    18,132,348.60x = 199,485,959,508,112.12
  5. Step 5: Solve for x
    x = 199,485,959,508,112.12/18,132,348.60
  6. Step 6: Final answer
    x = 11,001,661.39

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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.