Home / 21,720,240,865.20-32,580,361,297.80-11,802,276,346.80

Finding the Fourth Proportional to 21,720,240,865.20, 32,580,361,297.80 and 11,802,276,346.80

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Solution

The fourth proportional to 21,720,240,865.20, 32,580,361,297.80 and 11,802,276,346.80 is: 17,703,414,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720,240,865.20 : 32,580,361,297.80 = 11,802,276,346.80 : x
  2. Step 2: Convert to fraction form
    21,720,240,865.20/32,580,361,297.80 = 11,802,276,346.80/x
  3. Step 3: Cross multiply
    21,720,240,865.20x = 32,580,361,297.80 × 11,802,276,346.80
  4. Step 4: Simplify right side
    21,720,240,865.20x = 384,522,427,515,223,080,960
  5. Step 5: Solve for x
    x = 384,522,427,515,223,080,960/21,720,240,865.20
  6. Step 6: Final answer
    x = 17,703,414,520.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.