Home / 19,729,314.20-29,593,971.30-18,217,659.80

Finding the Fourth Proportional to 19,729,314.20, 29,593,971.30 and 18,217,659.80

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Solution

The fourth proportional to 19,729,314.20, 29,593,971.30 and 18,217,659.80 is: 27,326,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,314.20 : 29,593,971.30 = 18,217,659.80 : x
  2. Step 2: Convert to fraction form
    19,729,314.20/29,593,971.30 = 18,217,659.80/x
  3. Step 3: Cross multiply
    19,729,314.20x = 29,593,971.30 × 18,217,659.80
  4. Step 4: Simplify right side
    19,729,314.20x = 539,132,901,274,363.75
  5. Step 5: Solve for x
    x = 539,132,901,274,363.75/19,729,314.20
  6. Step 6: Final answer
    x = 27,326,489.70

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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.