Home / 8,713,052.20-13,072,688.70-3,665,909.80

Finding the Fourth Proportional to 8,713,052.20, 13,072,688.70 and 3,665,909.80

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Solution

The fourth proportional to 8,713,052.20, 13,072,688.70 and 3,665,909.80 is: 5,500,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713,052.20 : 13,072,688.70 = 3,665,909.80 : x
  2. Step 2: Convert to fraction form
    8,713,052.20/13,072,688.70 = 3,665,909.80/x
  3. Step 3: Cross multiply
    8,713,052.20x = 13,072,688.70 × 3,665,909.80
  4. Step 4: Simplify right side
    8,713,052.20x = 47,923,297,617,679.26
  5. Step 5: Solve for x
    x = 47,923,297,617,679.26/8,713,052.20
  6. Step 6: Final answer
    x = 5,500,173.36

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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.