Home / 20,922,708.90-31,354,258.44-15,414,485.54

Finding the Fourth Proportional to 20,922,708.90, 31,354,258.44 and 15,414,485.54

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Solution

The fourth proportional to 20,922,708.90, 31,354,258.44 and 15,414,485.54 is: 23,099,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922,708.90 : 31,354,258.44 = 15,414,485.54 : x
  2. Step 2: Convert to fraction form
    20,922,708.90/31,354,258.44 = 15,414,485.54/x
  3. Step 3: Cross multiply
    20,922,708.90x = 31,354,258.44 × 15,414,485.54
  4. Step 4: Simplify right side
    20,922,708.90x = 483,309,763,288,151.69
  5. Step 5: Solve for x
    x = 483,309,763,288,151.69/20,922,708.90
  6. Step 6: Final answer
    x = 23,099,770.00

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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.