Home / 15,027,343,957.46-20,739,647,843.97-9,086,938,974.74

Finding the Fourth Proportional to 15,027,343,957.46, 20,739,647,843.97 and 9,086,938,974.74

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Solution

The fourth proportional to 15,027,343,957.46, 20,739,647,843.97 and 9,086,938,974.74 is: 12,541,132,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027,343,957.46 : 20,739,647,843.97 = 9,086,938,974.74 : x
  2. Step 2: Convert to fraction form
    15,027,343,957.46/20,739,647,843.97 = 9,086,938,974.74/x
  3. Step 3: Cross multiply
    15,027,343,957.46x = 20,739,647,843.97 × 9,086,938,974.74
  4. Step 4: Simplify right side
    15,027,343,957.46x = 188,459,914,315,753,422,848
  5. Step 5: Solve for x
    x = 188,459,914,315,753,422,848/15,027,343,957.46
  6. Step 6: Final answer
    x = 12,541,132,674.49

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1.5x scale

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.