Home / 8,256,288.20-12,386,400.60-3,992,950.40

Finding the Fourth Proportional to 8,256,288.20, 12,386,400.60 and 3,992,950.40

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Solution

The fourth proportional to 8,256,288.20, 12,386,400.60 and 3,992,950.40 is: 5,990,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256,288.20 : 12,386,400.60 = 3,992,950.40 : x
  2. Step 2: Convert to fraction form
    8,256,288.20/12,386,400.60 = 3,992,950.40/x
  3. Step 3: Cross multiply
    8,256,288.20x = 12,386,400.60 × 3,992,950.40
  4. Step 4: Simplify right side
    8,256,288.20x = 49,458,283,230,330.23
  5. Step 5: Solve for x
    x = 49,458,283,230,330.23/8,256,288.20
  6. Step 6: Final answer
    x = 5,990,377.52

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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.