Home / 28,182,183.76-42,201,512.40-18,568,416.04

Finding the Fourth Proportional to 28,182,183.76, 42,201,512.40 and 18,568,416.04

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Solution

The fourth proportional to 28,182,183.76, 42,201,512.40 and 18,568,416.04 is: 27,805,341.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182,183.76 : 42,201,512.40 = 18,568,416.04 : x
  2. Step 2: Convert to fraction form
    28,182,183.76/42,201,512.40 = 18,568,416.04/x
  3. Step 3: Cross multiply
    28,182,183.76x = 42,201,512.40 × 18,568,416.04
  4. Step 4: Simplify right side
    28,182,183.76x = 783,615,239,760,418.88
  5. Step 5: Solve for x
    x = 783,615,239,760,418.88/28,182,183.76
  6. Step 6: Final answer
    x = 27,805,341.36

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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.