Home / 16,899,161.28-23,320,854.36-9,164,201.28

Finding the Fourth Proportional to 16,899,161.28, 23,320,854.36 and 9,164,201.28

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Solution

The fourth proportional to 16,899,161.28, 23,320,854.36 and 9,164,201.28 is: 12,646,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899,161.28 : 23,320,854.36 = 9,164,201.28 : x
  2. Step 2: Convert to fraction form
    16,899,161.28/23,320,854.36 = 9,164,201.28/x
  3. Step 3: Cross multiply
    16,899,161.28x = 23,320,854.36 × 9,164,201.28
  4. Step 4: Simplify right side
    16,899,161.28x = 213,717,003,376,605.56
  5. Step 5: Solve for x
    x = 213,717,003,376,605.56/16,899,161.28
  6. Step 6: Final answer
    x = 12,646,604.16

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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.