Home / 8,192,355.38-12,284,731.79-4,781,623.63

Finding the Fourth Proportional to 8,192,355.38, 12,284,731.79 and 4,781,623.63

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Solution

The fourth proportional to 8,192,355.38, 12,284,731.79 and 4,781,623.63 is: 7,170,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192,355.38 : 12,284,731.79 = 4,781,623.63 : x
  2. Step 2: Convert to fraction form
    8,192,355.38/12,284,731.79 = 4,781,623.63/x
  3. Step 3: Cross multiply
    8,192,355.38x = 12,284,731.79 × 4,781,623.63
  4. Step 4: Simplify right side
    8,192,355.38x = 58,740,963,815,276.20
  5. Step 5: Solve for x
    x = 58,740,963,815,276.20/8,192,355.38
  6. Step 6: Final answer
    x = 7,170,216.76

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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.