Home / 21,397,998,782.43-32,069,076,657.86-11,954,261,156.36

Finding the Fourth Proportional to 21,397,998,782.43, 32,069,076,657.86 and 11,954,261,156.36

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Solution

The fourth proportional to 21,397,998,782.43, 32,069,076,657.86 and 11,954,261,156.36 is: 17,915,793,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,998,782.43 : 32,069,076,657.86 = 11,954,261,156.36 : x
  2. Step 2: Convert to fraction form
    21,397,998,782.43/32,069,076,657.86 = 11,954,261,156.36/x
  3. Step 3: Cross multiply
    21,397,998,782.43x = 32,069,076,657.86 × 11,954,261,156.36
  4. Step 4: Simplify right side
    21,397,998,782.43x = 383,362,117,411,166,814,208
  5. Step 5: Solve for x
    x = 383,362,117,411,166,814,208/21,397,998,782.43
  6. Step 6: Final answer
    x = 17,915,793,028.55

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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.