Home / 16,143,755.76-22,278,919.59-9,616,493.88

Finding the Fourth Proportional to 16,143,755.76, 22,278,919.59 and 9,616,493.88

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Solution

The fourth proportional to 16,143,755.76, 22,278,919.59 and 9,616,493.88 is: 13,271,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143,755.76 : 22,278,919.59 = 9,616,493.88 : x
  2. Step 2: Convert to fraction form
    16,143,755.76/22,278,919.59 = 9,616,493.88/x
  3. Step 3: Cross multiply
    16,143,755.76x = 22,278,919.59 × 9,616,493.88
  4. Step 4: Simplify right side
    16,143,755.76x = 214,245,093,890,247.12
  5. Step 5: Solve for x
    x = 214,245,093,890,247.12/16,143,755.76
  6. Step 6: Final answer
    x = 13,271,081.22

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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.