Home / 12,470,730.78-18,705,874.50-3,950,845.96

Finding the Fourth Proportional to 12,470,730.78, 18,705,874.50 and 3,950,845.96

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Solution

The fourth proportional to 12,470,730.78, 18,705,874.50 and 3,950,845.96 is: 5,926,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,730.78 : 18,705,874.50 = 3,950,845.96 : x
  2. Step 2: Convert to fraction form
    12,470,730.78/18,705,874.50 = 3,950,845.96/x
  3. Step 3: Cross multiply
    12,470,730.78x = 18,705,874.50 × 3,950,845.96
  4. Step 4: Simplify right side
    12,470,730.78x = 73,904,028,696,592.02
  5. Step 5: Solve for x
    x = 73,904,028,696,592.02/12,470,730.78
  6. Step 6: Final answer
    x = 5,926,198.71

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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.