Home / 26,084,145.60-39,126,218.40-13,170,129.30

Finding the Fourth Proportional to 26,084,145.60, 39,126,218.40 and 13,170,129.30

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Solution

The fourth proportional to 26,084,145.60, 39,126,218.40 and 13,170,129.30 is: 19,755,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,084,145.60 : 39,126,218.40 = 13,170,129.30 : x
  2. Step 2: Convert to fraction form
    26,084,145.60/39,126,218.40 = 13,170,129.30/x
  3. Step 3: Cross multiply
    26,084,145.60x = 39,126,218.40 × 13,170,129.30
  4. Step 4: Simplify right side
    26,084,145.60x = 515,297,355,348,039.12
  5. Step 5: Solve for x
    x = 515,297,355,348,039.12/26,084,145.60
  6. Step 6: Final answer
    x = 19,755,193.95

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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.