Home / 16,878,472.23-23,292,198.36-9,143,665.59

Finding the Fourth Proportional to 16,878,472.23, 23,292,198.36 and 9,143,665.59

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Solution

The fourth proportional to 16,878,472.23, 23,292,198.36 and 9,143,665.59 is: 12,618,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878,472.23 : 23,292,198.36 = 9,143,665.59 : x
  2. Step 2: Convert to fraction form
    16,878,472.23/23,292,198.36 = 9,143,665.59/x
  3. Step 3: Cross multiply
    16,878,472.23x = 23,292,198.36 × 9,143,665.59
  4. Step 4: Simplify right side
    16,878,472.23x = 212,976,072,659,786.44
  5. Step 5: Solve for x
    x = 212,976,072,659,786.44/16,878,472.23
  6. Step 6: Final answer
    x = 12,618,207.96

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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.