Home / 21,397,998,927.69-32,069,076,876.42-11,954,261,301.60

Finding the Fourth Proportional to 21,397,998,927.69, 32,069,076,876.42 and 11,954,261,301.60

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Solution

The fourth proportional to 21,397,998,927.69, 32,069,076,876.42 and 11,954,261,301.60 is: 17,915,793,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,998,927.69 : 32,069,076,876.42 = 11,954,261,301.60 : x
  2. Step 2: Convert to fraction form
    21,397,998,927.69/32,069,076,876.42 = 11,954,261,301.60/x
  3. Step 3: Cross multiply
    21,397,998,927.69x = 32,069,076,876.42 × 11,954,261,301.60
  4. Step 4: Simplify right side
    21,397,998,927.69x = 383,362,124,681,951,248,384
  5. Step 5: Solve for x
    x = 383,362,124,681,951,248,384/21,397,998,927.69
  6. Step 6: Final answer
    x = 17,915,793,246.72

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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.