Home / 22,647,747.22-31,254,250.71-12,857,991.64

Finding the Fourth Proportional to 22,647,747.22, 31,254,250.71 and 12,857,991.64

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Solution

The fourth proportional to 22,647,747.22, 31,254,250.71 and 12,857,991.64 is: 17,744,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647,747.22 : 31,254,250.71 = 12,857,991.64 : x
  2. Step 2: Convert to fraction form
    22,647,747.22/31,254,250.71 = 12,857,991.64/x
  3. Step 3: Cross multiply
    22,647,747.22x = 31,254,250.71 × 12,857,991.64
  4. Step 4: Simplify right side
    22,647,747.22x = 401,866,894,430,929.31
  5. Step 5: Solve for x
    x = 401,866,894,430,929.31/22,647,747.22
  6. Step 6: Final answer
    x = 17,744,232.59

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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.