Home / 5,113,997.12-7,671,010.20-1,327,512.80

Finding the Fourth Proportional to 5,113,997.12, 7,671,010.20 and 1,327,512.80

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Solution

The fourth proportional to 5,113,997.12, 7,671,010.20 and 1,327,512.80 is: 1,991,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,997.12 : 7,671,010.20 = 1,327,512.80 : x
  2. Step 2: Convert to fraction form
    5,113,997.12/7,671,010.20 = 1,327,512.80/x
  3. Step 3: Cross multiply
    5,113,997.12x = 7,671,010.20 × 1,327,512.80
  4. Step 4: Simplify right side
    5,113,997.12x = 10,183,364,229,430.56
  5. Step 5: Solve for x
    x = 10,183,364,229,430.56/5,113,997.12
  6. Step 6: Final answer
    x = 1,991,272.97

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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.