Home / 15,826,198.77-21,839,685.21-8,762,106.83

Finding the Fourth Proportional to 15,826,198.77, 21,839,685.21 and 8,762,106.83

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Solution

The fourth proportional to 15,826,198.77, 21,839,685.21 and 8,762,106.83 is: 12,091,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826,198.77 : 21,839,685.21 = 8,762,106.83 : x
  2. Step 2: Convert to fraction form
    15,826,198.77/21,839,685.21 = 8,762,106.83/x
  3. Step 3: Cross multiply
    15,826,198.77x = 21,839,685.21 × 8,762,106.83
  4. Step 4: Simplify right side
    15,826,198.77x = 191,361,654,834,392.56
  5. Step 5: Solve for x
    x = 191,361,654,834,392.56/15,826,198.77
  6. Step 6: Final answer
    x = 12,091,447.71

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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.