Home / 15,895,150,672.20-21,934,319,579.28-8,758,165,091.28

Finding the Fourth Proportional to 15,895,150,672.20, 21,934,319,579.28 and 8,758,165,091.28

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Solution

The fourth proportional to 15,895,150,672.20, 21,934,319,579.28 and 8,758,165,091.28 is: 12,085,723,249.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895,150,672.20 : 21,934,319,579.28 = 8,758,165,091.28 : x
  2. Step 2: Convert to fraction form
    15,895,150,672.20/21,934,319,579.28 = 8,758,165,091.28/x
  3. Step 3: Cross multiply
    15,895,150,672.20x = 21,934,319,579.28 × 8,758,165,091.28
  4. Step 4: Simplify right side
    15,895,150,672.20x = 192,104,392,040,229,502,976
  5. Step 5: Solve for x
    x = 192,104,392,040,229,502,976/15,895,150,672.20
  6. Step 6: Final answer
    x = 12,085,723,249.94

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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.