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Finding the Fourth Proportional to 33,787,803.78, 50,662,452.78 and 13,306,432.14

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Solution

The fourth proportional to 33,787,803.78, 50,662,452.78 and 13,306,432.14 is: 19,952,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,787,803.78 : 50,662,452.78 = 13,306,432.14 : x
  2. Step 2: Convert to fraction form
    33,787,803.78/50,662,452.78 = 13,306,432.14/x
  3. Step 3: Cross multiply
    33,787,803.78x = 50,662,452.78 × 13,306,432.14
  4. Step 4: Simplify right side
    33,787,803.78x = 674,136,489,963,024.38
  5. Step 5: Solve for x
    x = 674,136,489,963,024.38/33,787,803.78
  6. Step 6: Final answer
    x = 19,952,065.97

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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.