Home / 12,462,984.20-17,208,029.40-8,055,318.06

Finding the Fourth Proportional to 12,462,984.20, 17,208,029.40 and 8,055,318.06

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Solution

The fourth proportional to 12,462,984.20, 17,208,029.40 and 8,055,318.06 is: 11,122,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,984.20 : 17,208,029.40 = 8,055,318.06 : x
  2. Step 2: Convert to fraction form
    12,462,984.20/17,208,029.40 = 8,055,318.06/x
  3. Step 3: Cross multiply
    12,462,984.20x = 17,208,029.40 × 8,055,318.06
  4. Step 4: Simplify right side
    12,462,984.20x = 138,616,150,002,830.94
  5. Step 5: Solve for x
    x = 138,616,150,002,830.94/12,462,984.20
  6. Step 6: Final answer
    x = 11,122,227.85

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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.