Home / 8,213,486.44-12,319,288.38-2,148,803.41

Finding the Fourth Proportional to 8,213,486.44, 12,319,288.38 and 2,148,803.41

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Solution

The fourth proportional to 8,213,486.44, 12,319,288.38 and 2,148,803.41 is: 3,222,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,486.44 : 12,319,288.38 = 2,148,803.41 : x
  2. Step 2: Convert to fraction form
    8,213,486.44/12,319,288.38 = 2,148,803.41/x
  3. Step 3: Cross multiply
    8,213,486.44x = 12,319,288.38 × 2,148,803.41
  4. Step 4: Simplify right side
    8,213,486.44x = 26,471,728,879,717.38
  5. Step 5: Solve for x
    x = 26,471,728,879,717.38/8,213,486.44
  6. Step 6: Final answer
    x = 3,222,958.86

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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.