Home / 12,300,239.88-18,450,425.52-8,067,213.90

Finding the Fourth Proportional to 12,300,239.88, 18,450,425.52 and 8,067,213.90

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Solution

The fourth proportional to 12,300,239.88, 18,450,425.52 and 8,067,213.90 is: 12,100,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,239.88 : 18,450,425.52 = 8,067,213.90 : x
  2. Step 2: Convert to fraction form
    12,300,239.88/18,450,425.52 = 8,067,213.90/x
  3. Step 3: Cross multiply
    12,300,239.88x = 18,450,425.52 × 8,067,213.90
  4. Step 4: Simplify right side
    12,300,239.88x = 148,843,529,215,858.72
  5. Step 5: Solve for x
    x = 148,843,529,215,858.72/12,300,239.88
  6. Step 6: Final answer
    x = 12,100,863.94

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1.5x scale

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.