Home / 12,647,992.65-18,969,149.52-5,818,006.23

Finding the Fourth Proportional to 12,647,992.65, 18,969,149.52 and 5,818,006.23

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Solution

The fourth proportional to 12,647,992.65, 18,969,149.52 and 5,818,006.23 is: 8,725,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,992.65 : 18,969,149.52 = 5,818,006.23 : x
  2. Step 2: Convert to fraction form
    12,647,992.65/18,969,149.52 = 5,818,006.23/x
  3. Step 3: Cross multiply
    12,647,992.65x = 18,969,149.52 × 5,818,006.23
  4. Step 4: Simplify right side
    12,647,992.65x = 110,362,630,085,161.52
  5. Step 5: Solve for x
    x = 110,362,630,085,161.52/12,647,992.65
  6. Step 6: Final answer
    x = 8,725,703.21

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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.