Home / 21,603,995.80-29,812,924.38-11,945,873.56

Finding the Fourth Proportional to 21,603,995.80, 29,812,924.38 and 11,945,873.56

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Solution

The fourth proportional to 21,603,995.80, 29,812,924.38 and 11,945,873.56 is: 16,484,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,603,995.80 : 29,812,924.38 = 11,945,873.56 : x
  2. Step 2: Convert to fraction form
    21,603,995.80/29,812,924.38 = 11,945,873.56/x
  3. Step 3: Cross multiply
    21,603,995.80x = 29,812,924.38 × 11,945,873.56
  4. Step 4: Simplify right side
    21,603,995.80x = 356,141,425,097,321.38
  5. Step 5: Solve for x
    x = 356,141,425,097,321.38/21,603,995.80
  6. Step 6: Final answer
    x = 16,484,979.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.