Home / 18,887,600.70-28,331,401.05-14,777,790.30

Finding the Fourth Proportional to 18,887,600.70, 28,331,401.05 and 14,777,790.30

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Solution

The fourth proportional to 18,887,600.70, 28,331,401.05 and 14,777,790.30 is: 22,166,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,600.70 : 28,331,401.05 = 14,777,790.30 : x
  2. Step 2: Convert to fraction form
    18,887,600.70/28,331,401.05 = 14,777,790.30/x
  3. Step 3: Cross multiply
    18,887,600.70x = 28,331,401.05 × 14,777,790.30
  4. Step 4: Simplify right side
    18,887,600.70x = 418,675,503,622,099.88
  5. Step 5: Solve for x
    x = 418,675,503,622,099.88/18,887,600.70
  6. Step 6: Final answer
    x = 22,166,685.45

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Similar ratio
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1.5x scale

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.