Home / 21,917,994.57-30,222,080.42-16,393,665.33

Finding the Fourth Proportional to 21,917,994.57, 30,222,080.42 and 16,393,665.33

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Solution

The fourth proportional to 21,917,994.57, 30,222,080.42 and 16,393,665.33 is: 22,604,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,917,994.57 : 30,222,080.42 = 16,393,665.33 : x
  2. Step 2: Convert to fraction form
    21,917,994.57/30,222,080.42 = 16,393,665.33/x
  3. Step 3: Cross multiply
    21,917,994.57x = 30,222,080.42 × 16,393,665.33
  4. Step 4: Simplify right side
    21,917,994.57x = 495,450,671,899,857.50
  5. Step 5: Solve for x
    x = 495,450,671,899,857.50/21,917,994.57
  6. Step 6: Final answer
    x = 22,604,744.71

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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.