Home / 19,990,649.21-27,582,350.90-12,150,024.57

Finding the Fourth Proportional to 19,990,649.21, 27,582,350.90 and 12,150,024.57

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Solution

The fourth proportional to 19,990,649.21, 27,582,350.90 and 12,150,024.57 is: 16,764,149.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,990,649.21 : 27,582,350.90 = 12,150,024.57 : x
  2. Step 2: Convert to fraction form
    19,990,649.21/27,582,350.90 = 12,150,024.57/x
  3. Step 3: Cross multiply
    19,990,649.21x = 27,582,350.90 × 12,150,024.57
  4. Step 4: Simplify right side
    19,990,649.21x = 335,126,241,072,611.50
  5. Step 5: Solve for x
    x = 335,126,241,072,611.50/19,990,649.21
  6. Step 6: Final answer
    x = 16,764,149.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.