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Finding the Fourth Proportional to 22,745,806.87, 34,148,978.14 and 11,970,674.52

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Solution

The fourth proportional to 22,745,806.87, 34,148,978.14 and 11,970,674.52 is: 17,971,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745,806.87 : 34,148,978.14 = 11,970,674.52 : x
  2. Step 2: Convert to fraction form
    22,745,806.87/34,148,978.14 = 11,970,674.52/x
  3. Step 3: Cross multiply
    22,745,806.87x = 34,148,978.14 × 11,970,674.52
  4. Step 4: Simplify right side
    22,745,806.87x = 408,786,302,582,586.62
  5. Step 5: Solve for x
    x = 408,786,302,582,586.62/22,745,806.87
  6. Step 6: Final answer
    x = 17,971,941.15

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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.