Home / 8,119,270.86-12,177,434.52-3,261,381.72

Finding the Fourth Proportional to 8,119,270.86, 12,177,434.52 and 3,261,381.72

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Solution

The fourth proportional to 8,119,270.86, 12,177,434.52 and 3,261,381.72 is: 4,891,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,270.86 : 12,177,434.52 = 3,261,381.72 : x
  2. Step 2: Convert to fraction form
    8,119,270.86/12,177,434.52 = 3,261,381.72/x
  3. Step 3: Cross multiply
    8,119,270.86x = 12,177,434.52 × 3,261,381.72
  4. Step 4: Simplify right side
    8,119,270.86x = 39,715,262,340,024.98
  5. Step 5: Solve for x
    x = 39,715,262,340,024.98/8,119,270.86
  6. Step 6: Final answer
    x = 4,891,481.39

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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.