Home / 38,345,419.20-57,518,128.80-18,190,027.20

Finding the Fourth Proportional to 38,345,419.20, 57,518,128.80 and 18,190,027.20

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Solution

The fourth proportional to 38,345,419.20, 57,518,128.80 and 18,190,027.20 is: 27,285,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,345,419.20 : 57,518,128.80 = 18,190,027.20 : x
  2. Step 2: Convert to fraction form
    38,345,419.20/57,518,128.80 = 18,190,027.20/x
  3. Step 3: Cross multiply
    38,345,419.20x = 57,518,128.80 × 18,190,027.20
  4. Step 4: Simplify right side
    38,345,419.20x = 1,046,256,327,365,103.25
  5. Step 5: Solve for x
    x = 1,046,256,327,365,103.25/38,345,419.20
  6. Step 6: Final answer
    x = 27,285,040.80

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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.