Home / 20,255,588.09-27,950,937.79-11,434,553.22

Finding the Fourth Proportional to 20,255,588.09, 27,950,937.79 and 11,434,553.22

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Solution

The fourth proportional to 20,255,588.09, 27,950,937.79 and 11,434,553.22 is: 15,778,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255,588.09 : 27,950,937.79 = 11,434,553.22 : x
  2. Step 2: Convert to fraction form
    20,255,588.09/27,950,937.79 = 11,434,553.22/x
  3. Step 3: Cross multiply
    20,255,588.09x = 27,950,937.79 × 11,434,553.22
  4. Step 4: Simplify right side
    20,255,588.09x = 319,606,485,651,491.44
  5. Step 5: Solve for x
    x = 319,606,485,651,491.44/20,255,588.09
  6. Step 6: Final answer
    x = 15,778,682.13

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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.