Home / 15,027,343,986.46-20,739,647,883.99-9,086,939,003.74

Finding the Fourth Proportional to 15,027,343,986.46, 20,739,647,883.99 and 9,086,939,003.74

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Solution

The fourth proportional to 15,027,343,986.46, 20,739,647,883.99 and 9,086,939,003.74 is: 12,541,132,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027,343,986.46 : 20,739,647,883.99 = 9,086,939,003.74 : x
  2. Step 2: Convert to fraction form
    15,027,343,986.46/20,739,647,883.99 = 9,086,939,003.74/x
  3. Step 3: Cross multiply
    15,027,343,986.46x = 20,739,647,883.99 × 9,086,939,003.74
  4. Step 4: Simplify right side
    15,027,343,986.46x = 188,459,915,280,862,511,104
  5. Step 5: Solve for x
    x = 188,459,915,280,862,511,104/15,027,343,986.46
  6. Step 6: Final answer
    x = 12,541,132,714.51

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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.