Home / 20,284,798.82-30,354,466.20-17,561,712.86

Finding the Fourth Proportional to 20,284,798.82, 30,354,466.20 and 17,561,712.86

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Solution

The fourth proportional to 20,284,798.82, 30,354,466.20 and 17,561,712.86 is: 26,279,601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284,798.82 : 30,354,466.20 = 17,561,712.86 : x
  2. Step 2: Convert to fraction form
    20,284,798.82/30,354,466.20 = 17,561,712.86/x
  3. Step 3: Cross multiply
    20,284,798.82x = 30,354,466.20 × 17,561,712.86
  4. Step 4: Simplify right side
    20,284,798.82x = 533,076,419,422,975.31
  5. Step 5: Solve for x
    x = 533,076,419,422,975.31/20,284,798.82
  6. Step 6: Final answer
    x = 26,279,601.00

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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.