Home / 20,247,512.20-30,373,932.30-7,476,987.40

Finding the Fourth Proportional to 20,247,512.20, 30,373,932.30 and 7,476,987.40

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Solution

The fourth proportional to 20,247,512.20, 30,373,932.30 and 7,476,987.40 is: 11,216,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247,512.20 : 30,373,932.30 = 7,476,987.40 : x
  2. Step 2: Convert to fraction form
    20,247,512.20/30,373,932.30 = 7,476,987.40/x
  3. Step 3: Cross multiply
    20,247,512.20x = 30,373,932.30 × 7,476,987.40
  4. Step 4: Simplify right side
    20,247,512.20x = 227,105,509,095,553.03
  5. Step 5: Solve for x
    x = 227,105,509,095,553.03/20,247,512.20
  6. Step 6: Final answer
    x = 11,216,464.86

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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.