Home / 36,485,301.80-54,693,738.30-13,781,455.40

Finding the Fourth Proportional to 36,485,301.80, 54,693,738.30 and 13,781,455.40

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Solution

The fourth proportional to 36,485,301.80, 54,693,738.30 and 13,781,455.40 is: 20,659,259.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,485,301.80 : 54,693,738.30 = 13,781,455.40 : x
  2. Step 2: Convert to fraction form
    36,485,301.80/54,693,738.30 = 13,781,455.40/x
  3. Step 3: Cross multiply
    36,485,301.80x = 54,693,738.30 × 13,781,455.40
  4. Step 4: Simplify right side
    36,485,301.80x = 753,759,315,040,721.75
  5. Step 5: Solve for x
    x = 753,759,315,040,721.75/36,485,301.80
  6. Step 6: Final answer
    x = 20,659,259.42

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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.