Home / 12,470,729.78-18,705,873-3,950,844.96

Finding the Fourth Proportional to 12,470,729.78, 18,705,873 and 3,950,844.96

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Solution

The fourth proportional to 12,470,729.78, 18,705,873 and 3,950,844.96 is: 5,926,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,729.78 : 18,705,873 = 3,950,844.96 : x
  2. Step 2: Convert to fraction form
    12,470,729.78/18,705,873 = 3,950,844.96/x
  3. Step 3: Cross multiply
    12,470,729.78x = 18,705,873 × 3,950,844.96
  4. Step 4: Simplify right side
    12,470,729.78x = 73,904,004,064,450.08
  5. Step 5: Solve for x
    x = 73,904,004,064,450.08/12,470,729.78
  6. Step 6: Final answer
    x = 5,926,197.21

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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.