Home / 6,871,021.20-10,285,536.60-5,359,366.80

Finding the Fourth Proportional to 6,871,021.20, 10,285,536.60 and 5,359,366.80

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Solution

The fourth proportional to 6,871,021.20, 10,285,536.60 and 5,359,366.80 is: 8,022,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871,021.20 : 10,285,536.60 = 5,359,366.80 : x
  2. Step 2: Convert to fraction form
    6,871,021.20/10,285,536.60 = 5,359,366.80/x
  3. Step 3: Cross multiply
    6,871,021.20x = 10,285,536.60 × 5,359,366.80
  4. Step 4: Simplify right side
    6,871,021.20x = 55,123,963,374,224.88
  5. Step 5: Solve for x
    x = 55,123,963,374,224.88/6,871,021.20
  6. Step 6: Final answer
    x = 8,022,674.03

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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.