Home / 21,983,998.40-32,975,997.60-19,964,522.60

Finding the Fourth Proportional to 21,983,998.40, 32,975,997.60 and 19,964,522.60

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Solution

The fourth proportional to 21,983,998.40, 32,975,997.60 and 19,964,522.60 is: 29,946,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983,998.40 : 32,975,997.60 = 19,964,522.60 : x
  2. Step 2: Convert to fraction form
    21,983,998.40/32,975,997.60 = 19,964,522.60/x
  3. Step 3: Cross multiply
    21,983,998.40x = 32,975,997.60 × 19,964,522.60
  4. Step 4: Simplify right side
    21,983,998.40x = 658,350,049,342,745.88
  5. Step 5: Solve for x
    x = 658,350,049,342,745.88/21,983,998.40
  6. Step 6: Final answer
    x = 29,946,783.90

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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.