Home / 20,212,110.30-30,319,477.65-10,646,172.30

Finding the Fourth Proportional to 20,212,110.30, 30,319,477.65 and 10,646,172.30

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Solution

The fourth proportional to 20,212,110.30, 30,319,477.65 and 10,646,172.30 is: 15,969,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,110.30 : 30,319,477.65 = 10,646,172.30 : x
  2. Step 2: Convert to fraction form
    20,212,110.30/30,319,477.65 = 10,646,172.30/x
  3. Step 3: Cross multiply
    20,212,110.30x = 30,319,477.65 × 10,646,172.30
  4. Step 4: Simplify right side
    20,212,110.30x = 322,786,383,107,899.12
  5. Step 5: Solve for x
    x = 322,786,383,107,899.12/20,212,110.30
  6. Step 6: Final answer
    x = 15,969,949.62

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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.