Home / 18,170,104.26-27,255,156.39-7,384,878.21

Finding the Fourth Proportional to 18,170,104.26, 27,255,156.39 and 7,384,878.21

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Solution

The fourth proportional to 18,170,104.26, 27,255,156.39 and 7,384,878.21 is: 11,077,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170,104.26 : 27,255,156.39 = 7,384,878.21 : x
  2. Step 2: Convert to fraction form
    18,170,104.26/27,255,156.39 = 7,384,878.21/x
  3. Step 3: Cross multiply
    18,170,104.26x = 27,255,156.39 × 7,384,878.21
  4. Step 4: Simplify right side
    18,170,104.26x = 201,276,010,534,653.25
  5. Step 5: Solve for x
    x = 201,276,010,534,653.25/18,170,104.26
  6. Step 6: Final answer
    x = 11,077,317.32

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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.