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Finding the Fourth Proportional to 22,564,863.60, 33,869,413.80 and 11,218,124.40

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Solution

The fourth proportional to 22,564,863.60, 33,869,413.80 and 11,218,124.40 is: 16,838,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,564,863.60 : 33,869,413.80 = 11,218,124.40 : x
  2. Step 2: Convert to fraction form
    22,564,863.60/33,869,413.80 = 11,218,124.40/x
  3. Step 3: Cross multiply
    22,564,863.60x = 33,869,413.80 × 11,218,124.40
  4. Step 4: Simplify right side
    22,564,863.60x = 379,951,297,363,476.69
  5. Step 5: Solve for x
    x = 379,951,297,363,476.69/22,564,863.60
  6. Step 6: Final answer
    x = 16,838,182.76

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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.