Home / 5,318,361.18-7,980,033.06-2,621,216.16

Finding the Fourth Proportional to 5,318,361.18, 7,980,033.06 and 2,621,216.16

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Solution

The fourth proportional to 5,318,361.18, 7,980,033.06 and 2,621,216.16 is: 3,933,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,361.18 : 7,980,033.06 = 2,621,216.16 : x
  2. Step 2: Convert to fraction form
    5,318,361.18/7,980,033.06 = 2,621,216.16/x
  3. Step 3: Cross multiply
    5,318,361.18x = 7,980,033.06 × 2,621,216.16
  4. Step 4: Simplify right side
    5,318,361.18x = 20,917,391,614,206.25
  5. Step 5: Solve for x
    x = 20,917,391,614,206.25/5,318,361.18
  6. Step 6: Final answer
    x = 3,933,052.10

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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.