Home / 21,397,998,783.43-32,069,076,659.35-11,954,261,157.36

Finding the Fourth Proportional to 21,397,998,783.43, 32,069,076,659.35 and 11,954,261,157.36

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Solution

The fourth proportional to 21,397,998,783.43, 32,069,076,659.35 and 11,954,261,157.36 is: 17,915,793,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,998,783.43 : 32,069,076,659.35 = 11,954,261,157.36 : x
  2. Step 2: Convert to fraction form
    21,397,998,783.43/32,069,076,659.35 = 11,954,261,157.36/x
  3. Step 3: Cross multiply
    21,397,998,783.43x = 32,069,076,659.35 × 11,954,261,157.36
  4. Step 4: Simplify right side
    21,397,998,783.43x = 383,362,117,461,267,906,560
  5. Step 5: Solve for x
    x = 383,362,117,461,267,906,560/21,397,998,783.43
  6. Step 6: Final answer
    x = 17,915,793,030.05

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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.