Home / 33,269,344.40-49,904,016.60-18,936,621.20

Finding the Fourth Proportional to 33,269,344.40, 49,904,016.60 and 18,936,621.20

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Solution

The fourth proportional to 33,269,344.40, 49,904,016.60 and 18,936,621.20 is: 28,404,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,269,344.40 : 49,904,016.60 = 18,936,621.20 : x
  2. Step 2: Convert to fraction form
    33,269,344.40/49,904,016.60 = 18,936,621.20/x
  3. Step 3: Cross multiply
    33,269,344.40x = 49,904,016.60 × 18,936,621.20
  4. Step 4: Simplify right side
    33,269,344.40x = 945,013,458,712,711.88
  5. Step 5: Solve for x
    x = 945,013,458,712,711.88/33,269,344.40
  6. Step 6: Final answer
    x = 28,404,931.80

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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.