Home / 20,115,929,905.85-27,751,260,627.16-11,973,167,493.37

Finding the Fourth Proportional to 20,115,929,905.85, 27,751,260,627.16 and 11,973,167,493.37

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Solution

The fourth proportional to 20,115,929,905.85, 27,751,260,627.16 and 11,973,167,493.37 is: 16,517,779,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,115,929,905.85 : 27,751,260,627.16 = 11,973,167,493.37 : x
  2. Step 2: Convert to fraction form
    20,115,929,905.85/27,751,260,627.16 = 11,973,167,493.37/x
  3. Step 3: Cross multiply
    20,115,929,905.85x = 27,751,260,627.16 × 11,973,167,493.37
  4. Step 4: Simplify right side
    20,115,929,905.85x = 332,270,491,641,071,403,008
  5. Step 5: Solve for x
    x = 332,270,491,641,071,403,008/20,115,929,905.85
  6. Step 6: Final answer
    x = 16,517,779,351.80

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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.