Home / 36,698,820.80-55,090,221.60-21,561,281.60

Finding the Fourth Proportional to 36,698,820.80, 55,090,221.60 and 21,561,281.60

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Solution

The fourth proportional to 36,698,820.80, 55,090,221.60 and 21,561,281.60 is: 32,366,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698,820.80 : 55,090,221.60 = 21,561,281.60 : x
  2. Step 2: Convert to fraction form
    36,698,820.80/55,090,221.60 = 21,561,281.60/x
  3. Step 3: Cross multiply
    36,698,820.80x = 55,090,221.60 × 21,561,281.60
  4. Step 4: Simplify right side
    36,698,820.80x = 1,187,815,781,324,002.75
  5. Step 5: Solve for x
    x = 1,187,815,781,324,002.75/36,698,820.80
  6. Step 6: Final answer
    x = 32,366,592.59

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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.