Home / 20,202,076.32-30,303,760.28-7,905,552.64

Finding the Fourth Proportional to 20,202,076.32, 30,303,760.28 and 7,905,552.64

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Solution

The fourth proportional to 20,202,076.32, 30,303,760.28 and 7,905,552.64 is: 11,858,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202,076.32 : 30,303,760.28 = 7,905,552.64 : x
  2. Step 2: Convert to fraction form
    20,202,076.32/30,303,760.28 = 7,905,552.64/x
  3. Step 3: Cross multiply
    20,202,076.32x = 30,303,760.28 × 7,905,552.64
  4. Step 4: Simplify right side
    20,202,076.32x = 239,567,972,083,481.12
  5. Step 5: Solve for x
    x = 239,567,972,083,481.12/20,202,076.32
  6. Step 6: Final answer
    x = 11,858,581.68

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1.5x scale

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.