Home / 20,899,832.36-28,842,125.22-11,481,020.51

Finding the Fourth Proportional to 20,899,832.36, 28,842,125.22 and 11,481,020.51

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Solution

The fourth proportional to 20,899,832.36, 28,842,125.22 and 11,481,020.51 is: 15,844,004.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,899,832.36 : 28,842,125.22 = 11,481,020.51 : x
  2. Step 2: Convert to fraction form
    20,899,832.36/28,842,125.22 = 11,481,020.51/x
  3. Step 3: Cross multiply
    20,899,832.36x = 28,842,125.22 × 11,481,020.51
  4. Step 4: Simplify right side
    20,899,832.36x = 331,137,031,058,597.62
  5. Step 5: Solve for x
    x = 331,137,031,058,597.62/20,899,832.36
  6. Step 6: Final answer
    x = 15,844,004.17

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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.