Home / 21,860,999.80-32,791,499.70-21,542,135.20

Finding the Fourth Proportional to 21,860,999.80, 32,791,499.70 and 21,542,135.20

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Solution

The fourth proportional to 21,860,999.80, 32,791,499.70 and 21,542,135.20 is: 32,313,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,999.80 : 32,791,499.70 = 21,542,135.20 : x
  2. Step 2: Convert to fraction form
    21,860,999.80/32,791,499.70 = 21,542,135.20/x
  3. Step 3: Cross multiply
    21,860,999.80x = 32,791,499.70 × 21,542,135.20
  4. Step 4: Simplify right side
    21,860,999.80x = 706,398,919,948,159.38
  5. Step 5: Solve for x
    x = 706,398,919,948,159.38/21,860,999.80
  6. Step 6: Final answer
    x = 32,313,202.80

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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.