Home / 37,420,698.72-51,640,563.60-20,251,290.72

Finding the Fourth Proportional to 37,420,698.72, 51,640,563.60 and 20,251,290.72

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Solution

The fourth proportional to 37,420,698.72, 51,640,563.60 and 20,251,290.72 is: 27,946,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420,698.72 : 51,640,563.60 = 20,251,290.72 : x
  2. Step 2: Convert to fraction form
    37,420,698.72/51,640,563.60 = 20,251,290.72/x
  3. Step 3: Cross multiply
    37,420,698.72x = 51,640,563.60 × 20,251,290.72
  4. Step 4: Simplify right side
    37,420,698.72x = 1,045,788,066,408,249.75
  5. Step 5: Solve for x
    x = 1,045,788,066,408,249.75/37,420,698.72
  6. Step 6: Final answer
    x = 27,946,780.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.