Home / 8,145,257.43-12,217,897.49-3,470,129.40

Finding the Fourth Proportional to 8,145,257.43, 12,217,897.49 and 3,470,129.40

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Solution

The fourth proportional to 8,145,257.43, 12,217,897.49 and 3,470,129.40 is: 5,205,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,257.43 : 12,217,897.49 = 3,470,129.40 : x
  2. Step 2: Convert to fraction form
    8,145,257.43/12,217,897.49 = 3,470,129.40/x
  3. Step 3: Cross multiply
    8,145,257.43x = 12,217,897.49 × 3,470,129.40
  4. Step 4: Simplify right side
    8,145,257.43x = 42,397,685,268,884.55
  5. Step 5: Solve for x
    x = 42,397,685,268,884.55/8,145,257.43
  6. Step 6: Final answer
    x = 5,205,198.93

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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.