Home / 21,496,786.80-32,245,180.20-17,245,258.80

Finding the Fourth Proportional to 21,496,786.80, 32,245,180.20 and 17,245,258.80

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Solution

The fourth proportional to 21,496,786.80, 32,245,180.20 and 17,245,258.80 is: 25,867,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496,786.80 : 32,245,180.20 = 17,245,258.80 : x
  2. Step 2: Convert to fraction form
    21,496,786.80/32,245,180.20 = 17,245,258.80/x
  3. Step 3: Cross multiply
    21,496,786.80x = 32,245,180.20 × 17,245,258.80
  4. Step 4: Simplify right side
    21,496,786.80x = 556,076,477,601,635.75
  5. Step 5: Solve for x
    x = 556,076,477,601,635.75/21,496,786.80
  6. Step 6: Final answer
    x = 25,867,888.20

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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.