Home / 8,438,975.45-12,658,288.20-2,049,261.29

Finding the Fourth Proportional to 8,438,975.45, 12,658,288.20 and 2,049,261.29

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Solution

The fourth proportional to 8,438,975.45, 12,658,288.20 and 2,049,261.29 is: 3,073,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,975.45 : 12,658,288.20 = 2,049,261.29 : x
  2. Step 2: Convert to fraction form
    8,438,975.45/12,658,288.20 = 2,049,261.29/x
  3. Step 3: Cross multiply
    8,438,975.45x = 12,658,288.20 × 2,049,261.29
  4. Step 4: Simplify right side
    8,438,975.45x = 25,940,139,942,632.34
  5. Step 5: Solve for x
    x = 25,940,139,942,632.34/8,438,975.45
  6. Step 6: Final answer
    x = 3,073,849.44

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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.