Home / 33,269,620.40-49,904,430.60-18,936,897.20

Finding the Fourth Proportional to 33,269,620.40, 49,904,430.60 and 18,936,897.20

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Solution

The fourth proportional to 33,269,620.40, 49,904,430.60 and 18,936,897.20 is: 28,405,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,269,620.40 : 49,904,430.60 = 18,936,897.20 : x
  2. Step 2: Convert to fraction form
    33,269,620.40/49,904,430.60 = 18,936,897.20/x
  3. Step 3: Cross multiply
    33,269,620.40x = 49,904,430.60 × 18,936,897.20
  4. Step 4: Simplify right side
    33,269,620.40x = 945,035,072,096,734.25
  5. Step 5: Solve for x
    x = 945,035,072,096,734.25/33,269,620.40
  6. Step 6: Final answer
    x = 28,405,345.80

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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.