Home / 18,664,056.70-27,996,085.05-5,200,884.70

Finding the Fourth Proportional to 18,664,056.70, 27,996,085.05 and 5,200,884.70

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Solution

The fourth proportional to 18,664,056.70, 27,996,085.05 and 5,200,884.70 is: 7,801,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664,056.70 : 27,996,085.05 = 5,200,884.70 : x
  2. Step 2: Convert to fraction form
    18,664,056.70/27,996,085.05 = 5,200,884.70/x
  3. Step 3: Cross multiply
    18,664,056.70x = 27,996,085.05 × 5,200,884.70
  4. Step 4: Simplify right side
    18,664,056.70x = 145,604,410,396,443.75
  5. Step 5: Solve for x
    x = 145,604,410,396,443.75/18,664,056.70
  6. Step 6: Final answer
    x = 7,801,327.05

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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.