Home / 8,143,930.34-12,213,182.90-3,284,981.93

Finding the Fourth Proportional to 8,143,930.34, 12,213,182.90 and 3,284,981.93

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Solution

The fourth proportional to 8,143,930.34, 12,213,182.90 and 3,284,981.93 is: 4,926,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,930.34 : 12,213,182.90 = 3,284,981.93 : x
  2. Step 2: Convert to fraction form
    8,143,930.34/12,213,182.90 = 3,284,981.93/x
  3. Step 3: Cross multiply
    8,143,930.34x = 12,213,182.90 × 3,284,981.93
  4. Step 4: Simplify right side
    8,143,930.34x = 40,120,085,056,794.17
  5. Step 5: Solve for x
    x = 40,120,085,056,794.17/8,143,930.34
  6. Step 6: Final answer
    x = 4,926,378.71

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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.