Home / 16,138,262.80-22,260,852.30-9,855,842.86

Finding the Fourth Proportional to 16,138,262.80, 22,260,852.30 and 9,855,842.86

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Solution

The fourth proportional to 16,138,262.80, 22,260,852.30 and 9,855,842.86 is: 13,594,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138,262.80 : 22,260,852.30 = 9,855,842.86 : x
  2. Step 2: Convert to fraction form
    16,138,262.80/22,260,852.30 = 9,855,842.86/x
  3. Step 3: Cross multiply
    16,138,262.80x = 22,260,852.30 × 9,855,842.86
  4. Step 4: Simplify right side
    16,138,262.80x = 219,399,462,198,469.56
  5. Step 5: Solve for x
    x = 219,399,462,198,469.56/16,138,262.80
  6. Step 6: Final answer
    x = 13,594,986.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.