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Finding the Fourth Proportional to 22,143,931.20, 33,109,608.60 and 16,404,368.40

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Solution

The fourth proportional to 22,143,931.20, 33,109,608.60 and 16,404,368.40 is: 24,527,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,931.20 : 33,109,608.60 = 16,404,368.40 : x
  2. Step 2: Convert to fraction form
    22,143,931.20/33,109,608.60 = 16,404,368.40/x
  3. Step 3: Cross multiply
    22,143,931.20x = 33,109,608.60 × 16,404,368.40
  4. Step 4: Simplify right side
    22,143,931.20x = 543,142,217,054,208.25
  5. Step 5: Solve for x
    x = 543,142,217,054,208.25/22,143,931.20
  6. Step 6: Final answer
    x = 24,527,813.61

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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.