Home / 23,317,819.70-34,976,729.55-20,861,381.30

Finding the Fourth Proportional to 23,317,819.70, 34,976,729.55 and 20,861,381.30

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Solution

The fourth proportional to 23,317,819.70, 34,976,729.55 and 20,861,381.30 is: 31,292,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,317,819.70 : 34,976,729.55 = 20,861,381.30 : x
  2. Step 2: Convert to fraction form
    23,317,819.70/34,976,729.55 = 20,861,381.30/x
  3. Step 3: Cross multiply
    23,317,819.70x = 34,976,729.55 × 20,861,381.30
  4. Step 4: Simplify right side
    23,317,819.70x = 729,662,891,769,527.38
  5. Step 5: Solve for x
    x = 729,662,891,769,527.38/23,317,819.70
  6. Step 6: Final answer
    x = 31,292,071.95

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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.