Home / 33,019,719.60-49,529,579.40-20,902,864.80

Finding the Fourth Proportional to 33,019,719.60, 49,529,579.40 and 20,902,864.80

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Solution

The fourth proportional to 33,019,719.60, 49,529,579.40 and 20,902,864.80 is: 31,354,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,019,719.60 : 49,529,579.40 = 20,902,864.80 : x
  2. Step 2: Convert to fraction form
    33,019,719.60/49,529,579.40 = 20,902,864.80/x
  3. Step 3: Cross multiply
    33,019,719.60x = 49,529,579.40 × 20,902,864.80
  4. Step 4: Simplify right side
    33,019,719.60x = 1,035,310,101,799,065.12
  5. Step 5: Solve for x
    x = 1,035,310,101,799,065.12/33,019,719.60
  6. Step 6: Final answer
    x = 31,354,297.20

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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.