Home / 8,716,280.20-13,074,420.30-5,315,057.80

Finding the Fourth Proportional to 8,716,280.20, 13,074,420.30 and 5,315,057.80

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Solution

The fourth proportional to 8,716,280.20, 13,074,420.30 and 5,315,057.80 is: 7,972,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716,280.20 : 13,074,420.30 = 5,315,057.80 : x
  2. Step 2: Convert to fraction form
    8,716,280.20/13,074,420.30 = 5,315,057.80/x
  3. Step 3: Cross multiply
    8,716,280.20x = 13,074,420.30 × 5,315,057.80
  4. Step 4: Simplify right side
    8,716,280.20x = 69,491,299,595,993.34
  5. Step 5: Solve for x
    x = 69,491,299,595,993.34/8,716,280.20
  6. Step 6: Final answer
    x = 7,972,586.70

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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.