Home / 12,154,525.44-18,200,934.72-7,293,775.92

Finding the Fourth Proportional to 12,154,525.44, 18,200,934.72 and 7,293,775.92

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Solution

The fourth proportional to 12,154,525.44, 18,200,934.72 and 7,293,775.92 is: 10,922,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,525.44 : 18,200,934.72 = 7,293,775.92 : x
  2. Step 2: Convert to fraction form
    12,154,525.44/18,200,934.72 = 7,293,775.92/x
  3. Step 3: Cross multiply
    12,154,525.44x = 18,200,934.72 × 7,293,775.92
  4. Step 4: Simplify right side
    12,154,525.44x = 132,753,539,382,227.94
  5. Step 5: Solve for x
    x = 132,753,539,382,227.94/12,154,525.44
  6. Step 6: Final answer
    x = 10,922,149.12

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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.