Home / 12,381,729.54-18,489,215.55-10,111,757.04

Finding the Fourth Proportional to 12,381,729.54, 18,489,215.55 and 10,111,757.04

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Solution

The fourth proportional to 12,381,729.54, 18,489,215.55 and 10,111,757.04 is: 15,099,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,729.54 : 18,489,215.55 = 10,111,757.04 : x
  2. Step 2: Convert to fraction form
    12,381,729.54/18,489,215.55 = 10,111,757.04/x
  3. Step 3: Cross multiply
    12,381,729.54x = 18,489,215.55 × 10,111,757.04
  4. Step 4: Simplify right side
    12,381,729.54x = 186,958,455,539,709.06
  5. Step 5: Solve for x
    x = 186,958,455,539,709.06/12,381,729.54
  6. Step 6: Final answer
    x = 15,099,542.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.