Home / 13,179,640.52-19,783,435.02-11,673,103.64

Finding the Fourth Proportional to 13,179,640.52, 19,783,435.02 and 11,673,103.64

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Solution

The fourth proportional to 13,179,640.52, 19,783,435.02 and 11,673,103.64 is: 17,522,032.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179,640.52 : 19,783,435.02 = 11,673,103.64 : x
  2. Step 2: Convert to fraction form
    13,179,640.52/19,783,435.02 = 11,673,103.64/x
  3. Step 3: Cross multiply
    13,179,640.52x = 19,783,435.02 × 11,673,103.64
  4. Step 4: Simplify right side
    13,179,640.52x = 230,934,087,343,665.47
  5. Step 5: Solve for x
    x = 230,934,087,343,665.47/13,179,640.52
  6. Step 6: Final answer
    x = 17,522,032.33

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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.