Home / 20,743,785.58-28,625,674.09-11,451,156.16

Finding the Fourth Proportional to 20,743,785.58, 28,625,674.09 and 11,451,156.16

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Solution

The fourth proportional to 20,743,785.58, 28,625,674.09 and 11,451,156.16 is: 15,802,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,785.58 : 28,625,674.09 = 11,451,156.16 : x
  2. Step 2: Convert to fraction form
    20,743,785.58/28,625,674.09 = 11,451,156.16/x
  3. Step 3: Cross multiply
    20,743,785.58x = 28,625,674.09 × 11,451,156.16
  4. Step 4: Simplify right side
    20,743,785.58x = 327,797,064,189,855.88
  5. Step 5: Solve for x
    x = 327,797,064,189,855.88/20,743,785.58
  6. Step 6: Final answer
    x = 15,802,181.47

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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.