Home / 20,258,375.42-30,390,178.92-9,325,928.28

Finding the Fourth Proportional to 20,258,375.42, 30,390,178.92 and 9,325,928.28

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Solution

The fourth proportional to 20,258,375.42, 30,390,178.92 and 9,325,928.28 is: 13,990,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258,375.42 : 30,390,178.92 = 9,325,928.28 : x
  2. Step 2: Convert to fraction form
    20,258,375.42/30,390,178.92 = 9,325,928.28/x
  3. Step 3: Cross multiply
    20,258,375.42x = 30,390,178.92 × 9,325,928.28
  4. Step 4: Simplify right side
    20,258,375.42x = 283,416,629,024,287.88
  5. Step 5: Solve for x
    x = 283,416,629,024,287.88/20,258,375.42
  6. Step 6: Final answer
    x = 13,990,096.60

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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.