Home / 21,496,780.80-32,245,171.20-17,245,252.80

Finding the Fourth Proportional to 21,496,780.80, 32,245,171.20 and 17,245,252.80

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Solution

The fourth proportional to 21,496,780.80, 32,245,171.20 and 17,245,252.80 is: 25,867,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496,780.80 : 32,245,171.20 = 17,245,252.80 : x
  2. Step 2: Convert to fraction form
    21,496,780.80/32,245,171.20 = 17,245,252.80/x
  3. Step 3: Cross multiply
    21,496,780.80x = 32,245,171.20 × 17,245,252.80
  4. Step 4: Simplify right side
    21,496,780.80x = 556,076,128,923,279.38
  5. Step 5: Solve for x
    x = 556,076,128,923,279.38/21,496,780.80
  6. Step 6: Final answer
    x = 25,867,879.20

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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.