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Finding the Fourth Proportional to 22,133,734.60, 33,200,601.90 and 15,639,219.40

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Solution

The fourth proportional to 22,133,734.60, 33,200,601.90 and 15,639,219.40 is: 23,458,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133,734.60 : 33,200,601.90 = 15,639,219.40 : x
  2. Step 2: Convert to fraction form
    22,133,734.60/33,200,601.90 = 15,639,219.40/x
  3. Step 3: Cross multiply
    22,133,734.60x = 33,200,601.90 × 15,639,219.40
  4. Step 4: Simplify right side
    22,133,734.60x = 519,231,497,326,156.88
  5. Step 5: Solve for x
    x = 519,231,497,326,156.88/22,133,734.60
  6. Step 6: Final answer
    x = 23,458,829.10

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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.