Home / 12,542,908.80-18,814,363.20-9,708,556.80

Finding the Fourth Proportional to 12,542,908.80, 18,814,363.20 and 9,708,556.80

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Solution

The fourth proportional to 12,542,908.80, 18,814,363.20 and 9,708,556.80 is: 14,562,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542,908.80 : 18,814,363.20 = 9,708,556.80 : x
  2. Step 2: Convert to fraction form
    12,542,908.80/18,814,363.20 = 9,708,556.80/x
  3. Step 3: Cross multiply
    12,542,908.80x = 18,814,363.20 × 9,708,556.80
  4. Step 4: Simplify right side
    12,542,908.80x = 182,660,313,783,029.78
  5. Step 5: Solve for x
    x = 182,660,313,783,029.78/12,542,908.80
  6. Step 6: Final answer
    x = 14,562,835.20

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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.