Home / 38,300,400.60-57,450,600.90-18,145,008.60

Finding the Fourth Proportional to 38,300,400.60, 57,450,600.90 and 18,145,008.60

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Solution

The fourth proportional to 38,300,400.60, 57,450,600.90 and 18,145,008.60 is: 27,217,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,300,400.60 : 57,450,600.90 = 18,145,008.60 : x
  2. Step 2: Convert to fraction form
    38,300,400.60/57,450,600.90 = 18,145,008.60/x
  3. Step 3: Cross multiply
    38,300,400.60x = 57,450,600.90 × 18,145,008.60
  4. Step 4: Simplify right side
    38,300,400.60x = 1,042,441,647,405,667.75
  5. Step 5: Solve for x
    x = 1,042,441,647,405,667.75/38,300,400.60
  6. Step 6: Final answer
    x = 27,217,512.90

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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.