Home / 11,664,044.80-17,496,067.20-7,129,081.60

Finding the Fourth Proportional to 11,664,044.80, 17,496,067.20 and 7,129,081.60

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Solution

The fourth proportional to 11,664,044.80, 17,496,067.20 and 7,129,081.60 is: 10,693,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664,044.80 : 17,496,067.20 = 7,129,081.60 : x
  2. Step 2: Convert to fraction form
    11,664,044.80/17,496,067.20 = 7,129,081.60/x
  3. Step 3: Cross multiply
    11,664,044.80x = 17,496,067.20 × 7,129,081.60
  4. Step 4: Simplify right side
    11,664,044.80x = 124,730,890,747,883.52
  5. Step 5: Solve for x
    x = 124,730,890,747,883.52/11,664,044.80
  6. Step 6: Final answer
    x = 10,693,622.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.