Home / 18,861,529.83-28,235,902.95-11,551,974.09

Finding the Fourth Proportional to 18,861,529.83, 28,235,902.95 and 11,551,974.09

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Solution

The fourth proportional to 18,861,529.83, 28,235,902.95 and 11,551,974.09 is: 17,293,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861,529.83 : 28,235,902.95 = 11,551,974.09 : x
  2. Step 2: Convert to fraction form
    18,861,529.83/28,235,902.95 = 11,551,974.09/x
  3. Step 3: Cross multiply
    18,861,529.83x = 28,235,902.95 × 11,551,974.09
  4. Step 4: Simplify right side
    18,861,529.83x = 326,180,419,286,154.56
  5. Step 5: Solve for x
    x = 326,180,419,286,154.56/18,861,529.83
  6. Step 6: Final answer
    x = 17,293,423.29

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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.