Home / 20,629,494.74-30,903,808.95-11,975,449.47

Finding the Fourth Proportional to 20,629,494.74, 30,903,808.95 and 11,975,449.47

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Solution

The fourth proportional to 20,629,494.74, 30,903,808.95 and 11,975,449.47 is: 17,939,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,494.74 : 30,903,808.95 = 11,975,449.47 : x
  2. Step 2: Convert to fraction form
    20,629,494.74/30,903,808.95 = 11,975,449.47/x
  3. Step 3: Cross multiply
    20,629,494.74x = 30,903,808.95 × 11,975,449.47
  4. Step 4: Simplify right side
    20,629,494.74x = 370,087,002,511,258.75
  5. Step 5: Solve for x
    x = 370,087,002,511,258.75/20,629,494.74
  6. Step 6: Final answer
    x = 17,939,702.71

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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.