Home / 15,027,343,959.34-20,739,647,846.56-9,086,938,976.62

Finding the Fourth Proportional to 15,027,343,959.34, 20,739,647,846.56 and 9,086,938,976.62

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Solution

The fourth proportional to 15,027,343,959.34, 20,739,647,846.56 and 9,086,938,976.62 is: 12,541,132,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027,343,959.34 : 20,739,647,846.56 = 9,086,938,976.62 : x
  2. Step 2: Convert to fraction form
    15,027,343,959.34/20,739,647,846.56 = 9,086,938,976.62/x
  3. Step 3: Cross multiply
    15,027,343,959.34x = 20,739,647,846.56 × 9,086,938,976.62
  4. Step 4: Simplify right side
    15,027,343,959.34x = 188,459,914,378,175,414,272
  5. Step 5: Solve for x
    x = 188,459,914,378,175,414,272/15,027,343,959.34
  6. Step 6: Final answer
    x = 12,541,132,677.08

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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.