Home / 36,857,740.80-55,328,601.60-21,720,201.60

Finding the Fourth Proportional to 36,857,740.80, 55,328,601.60 and 21,720,201.60

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Solution

The fourth proportional to 36,857,740.80, 55,328,601.60 and 21,720,201.60 is: 32,605,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,857,740.80 : 55,328,601.60 = 21,720,201.60 : x
  2. Step 2: Convert to fraction form
    36,857,740.80/55,328,601.60 = 21,720,201.60/x
  3. Step 3: Cross multiply
    36,857,740.80x = 55,328,601.60 × 21,720,201.60
  4. Step 4: Simplify right side
    36,857,740.80x = 1,201,748,380,998,082.75
  5. Step 5: Solve for x
    x = 1,201,748,380,998,082.75/36,857,740.80
  6. Step 6: Final answer
    x = 32,605,047.27

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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.