Home / 12,647,992.90-18,969,149.90-5,818,006.48

Finding the Fourth Proportional to 12,647,992.90, 18,969,149.90 and 5,818,006.48

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Solution

The fourth proportional to 12,647,992.90, 18,969,149.90 and 5,818,006.48 is: 8,725,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,992.90 : 18,969,149.90 = 5,818,006.48 : x
  2. Step 2: Convert to fraction form
    12,647,992.90/18,969,149.90 = 5,818,006.48/x
  3. Step 3: Cross multiply
    12,647,992.90x = 18,969,149.90 × 5,818,006.48
  4. Step 4: Simplify right side
    12,647,992.90x = 110,362,637,009,201.33
  5. Step 5: Solve for x
    x = 110,362,637,009,201.33/12,647,992.90
  6. Step 6: Final answer
    x = 8,725,703.59

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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.