Home / 20,166,667.20-30,250,000.80-17,647,243.20

Finding the Fourth Proportional to 20,166,667.20, 30,250,000.80 and 17,647,243.20

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Solution

The fourth proportional to 20,166,667.20, 30,250,000.80 and 17,647,243.20 is: 26,470,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,667.20 : 30,250,000.80 = 17,647,243.20 : x
  2. Step 2: Convert to fraction form
    20,166,667.20/30,250,000.80 = 17,647,243.20/x
  3. Step 3: Cross multiply
    20,166,667.20x = 30,250,000.80 × 17,647,243.20
  4. Step 4: Simplify right side
    20,166,667.20x = 533,829,120,917,794.56
  5. Step 5: Solve for x
    x = 533,829,120,917,794.56/20,166,667.20
  6. Step 6: Final answer
    x = 26,470,864.80

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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.