Home / 19,920,656.43-27,489,780.11-11,099,651.94

Finding the Fourth Proportional to 19,920,656.43, 27,489,780.11 and 11,099,651.94

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Solution

The fourth proportional to 19,920,656.43, 27,489,780.11 and 11,099,651.94 is: 15,317,115.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920,656.43 : 27,489,780.11 = 11,099,651.94 : x
  2. Step 2: Convert to fraction form
    19,920,656.43/27,489,780.11 = 11,099,651.94/x
  3. Step 3: Cross multiply
    19,920,656.43x = 27,489,780.11 × 11,099,651.94
  4. Step 4: Simplify right side
    19,920,656.43x = 305,126,991,155,884.06
  5. Step 5: Solve for x
    x = 305,126,991,155,884.06/19,920,656.43
  6. Step 6: Final answer
    x = 15,317,115.29

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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.