Home / 38,981,401.08-53,794,334.57-21,577,746.31

Finding the Fourth Proportional to 38,981,401.08, 53,794,334.57 and 21,577,746.31

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Solution

The fourth proportional to 38,981,401.08, 53,794,334.57 and 21,577,746.31 is: 29,777,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981,401.08 : 53,794,334.57 = 21,577,746.31 : x
  2. Step 2: Convert to fraction form
    38,981,401.08/53,794,334.57 = 21,577,746.31/x
  3. Step 3: Cross multiply
    38,981,401.08x = 53,794,334.57 × 21,577,746.31
  4. Step 4: Simplify right side
    38,981,401.08x = 1,160,760,504,266,722.75
  5. Step 5: Solve for x
    x = 1,160,760,504,266,722.75/38,981,401.08
  6. Step 6: Final answer
    x = 29,777,290.51

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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.