Home / 21,517,832.20-32,276,748.30-16,415,998.60

Finding the Fourth Proportional to 21,517,832.20, 32,276,748.30 and 16,415,998.60

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Solution

The fourth proportional to 21,517,832.20, 32,276,748.30 and 16,415,998.60 is: 24,623,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,832.20 : 32,276,748.30 = 16,415,998.60 : x
  2. Step 2: Convert to fraction form
    21,517,832.20/32,276,748.30 = 16,415,998.60/x
  3. Step 3: Cross multiply
    21,517,832.20x = 32,276,748.30 × 16,415,998.60
  4. Step 4: Simplify right side
    21,517,832.20x = 529,855,054,905,352.38
  5. Step 5: Solve for x
    x = 529,855,054,905,352.38/21,517,832.20
  6. Step 6: Final answer
    x = 24,623,997.90

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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.