Home / 27,685,939.52-38,206,997.43-15,296,317.88

Finding the Fourth Proportional to 27,685,939.52, 38,206,997.43 and 15,296,317.88

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Solution

The fourth proportional to 27,685,939.52, 38,206,997.43 and 15,296,317.88 is: 21,109,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685,939.52 : 38,206,997.43 = 15,296,317.88 : x
  2. Step 2: Convert to fraction form
    27,685,939.52/38,206,997.43 = 15,296,317.88/x
  3. Step 3: Cross multiply
    27,685,939.52x = 38,206,997.43 × 15,296,317.88
  4. Step 4: Simplify right side
    27,685,939.52x = 584,426,377,929,623.12
  5. Step 5: Solve for x
    x = 584,426,377,929,623.12/27,685,939.52
  6. Step 6: Final answer
    x = 21,109,140.17

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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.