Home / 12,271,198.68-16,964,865.18-9,210,098.52

Finding the Fourth Proportional to 12,271,198.68, 16,964,865.18 and 9,210,098.52

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Solution

The fourth proportional to 12,271,198.68, 16,964,865.18 and 9,210,098.52 is: 12,732,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271,198.68 : 16,964,865.18 = 9,210,098.52 : x
  2. Step 2: Convert to fraction form
    12,271,198.68/16,964,865.18 = 9,210,098.52/x
  3. Step 3: Cross multiply
    12,271,198.68x = 16,964,865.18 × 9,210,098.52
  4. Step 4: Simplify right side
    12,271,198.68x = 156,248,079,686,317.53
  5. Step 5: Solve for x
    x = 156,248,079,686,317.53/12,271,198.68
  6. Step 6: Final answer
    x = 12,732,910.92

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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.