Home / 21,626,453,803.88-32,449,002,989.96-11,675,921,848.36

Finding the Fourth Proportional to 21,626,453,803.88, 32,449,002,989.96 and 11,675,921,848.36

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Solution

The fourth proportional to 21,626,453,803.88, 32,449,002,989.96 and 11,675,921,848.36 is: 17,518,915,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626,453,803.88 : 32,449,002,989.96 = 11,675,921,848.36 : x
  2. Step 2: Convert to fraction form
    21,626,453,803.88/32,449,002,989.96 = 11,675,921,848.36/x
  3. Step 3: Cross multiply
    21,626,453,803.88x = 32,449,002,989.96 × 11,675,921,848.36
  4. Step 4: Simplify right side
    21,626,453,803.88x = 378,872,022,967,972,921,344
  5. Step 5: Solve for x
    x = 378,872,022,967,972,921,344/21,626,453,803.88
  6. Step 6: Final answer
    x = 17,518,915,787.29

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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.