Home / 20,379,620.10-30,604,859.55-10,813,682.10

Finding the Fourth Proportional to 20,379,620.10, 30,604,859.55 and 10,813,682.10

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Solution

The fourth proportional to 20,379,620.10, 30,604,859.55 and 10,813,682.10 is: 16,239,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,379,620.10 : 30,604,859.55 = 10,813,682.10 : x
  2. Step 2: Convert to fraction form
    20,379,620.10/30,604,859.55 = 10,813,682.10/x
  3. Step 3: Cross multiply
    20,379,620.10x = 30,604,859.55 × 10,813,682.10
  4. Step 4: Simplify right side
    20,379,620.10x = 330,951,221,888,849.06
  5. Step 5: Solve for x
    x = 330,951,221,888,849.06/20,379,620.10
  6. Step 6: Final answer
    x = 16,239,322.43

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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.