Home / 20,798,043,773.58-28,701,300,406.86-11,887,563,845.34

Finding the Fourth Proportional to 20,798,043,773.58, 28,701,300,406.86 and 11,887,563,845.34

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Solution

The fourth proportional to 20,798,043,773.58, 28,701,300,406.86 and 11,887,563,845.34 is: 16,404,838,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798,043,773.58 : 28,701,300,406.86 = 11,887,563,845.34 : x
  2. Step 2: Convert to fraction form
    20,798,043,773.58/28,701,300,406.86 = 11,887,563,845.34/x
  3. Step 3: Cross multiply
    20,798,043,773.58x = 28,701,300,406.86 × 11,887,563,845.34
  4. Step 4: Simplify right side
    20,798,043,773.58x = 341,188,541,030,831,161,344
  5. Step 5: Solve for x
    x = 341,188,541,030,831,161,344/20,798,043,773.58
  6. Step 6: Final answer
    x = 16,404,838,106.18

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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.