Home / 38,632,617.72-53,313,436.76-21,228,967.44

Finding the Fourth Proportional to 38,632,617.72, 53,313,436.76 and 21,228,967.44

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Solution

The fourth proportional to 38,632,617.72, 53,313,436.76 and 21,228,967.44 is: 29,296,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632,617.72 : 53,313,436.76 = 21,228,967.44 : x
  2. Step 2: Convert to fraction form
    38,632,617.72/53,313,436.76 = 21,228,967.44/x
  3. Step 3: Cross multiply
    38,632,617.72x = 53,313,436.76 × 21,228,967.44
  4. Step 4: Simplify right side
    38,632,617.72x = 1,131,789,213,092,539
  5. Step 5: Solve for x
    x = 1,131,789,213,092,539/38,632,617.72
  6. Step 6: Final answer
    x = 29,296,208.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.