Home / 11,917,151.20-17,854,731.60-9,775,640.80

Finding the Fourth Proportional to 11,917,151.20, 17,854,731.60 and 9,775,640.80

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Solution

The fourth proportional to 11,917,151.20, 17,854,731.60 and 9,775,640.80 is: 14,646,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917,151.20 : 17,854,731.60 = 9,775,640.80 : x
  2. Step 2: Convert to fraction form
    11,917,151.20/17,854,731.60 = 9,775,640.80/x
  3. Step 3: Cross multiply
    11,917,151.20x = 17,854,731.60 × 9,775,640.80
  4. Step 4: Simplify right side
    11,917,151.20x = 174,541,442,702,009.31
  5. Step 5: Solve for x
    x = 174,541,442,702,009.31/11,917,151.20
  6. Step 6: Final answer
    x = 14,646,238.83

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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.