Home / 24,193,018.80-36,289,528.20-19,937,991.60

Finding the Fourth Proportional to 24,193,018.80, 36,289,528.20 and 19,937,991.60

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Solution

The fourth proportional to 24,193,018.80, 36,289,528.20 and 19,937,991.60 is: 29,906,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,193,018.80 : 36,289,528.20 = 19,937,991.60 : x
  2. Step 2: Convert to fraction form
    24,193,018.80/36,289,528.20 = 19,937,991.60/x
  3. Step 3: Cross multiply
    24,193,018.80x = 36,289,528.20 × 19,937,991.60
  4. Step 4: Simplify right side
    24,193,018.80x = 723,540,308,419,563.25
  5. Step 5: Solve for x
    x = 723,540,308,419,563.25/24,193,018.80
  6. Step 6: Final answer
    x = 29,906,987.40

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Similar ratio
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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.