Home / 11,920,580.55-16,450,433.24-6,763,928.58

Finding the Fourth Proportional to 11,920,580.55, 16,450,433.24 and 6,763,928.58

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Solution

The fourth proportional to 11,920,580.55, 16,450,433.24 and 6,763,928.58 is: 9,334,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920,580.55 : 16,450,433.24 = 6,763,928.58 : x
  2. Step 2: Convert to fraction form
    11,920,580.55/16,450,433.24 = 6,763,928.58/x
  3. Step 3: Cross multiply
    11,920,580.55x = 16,450,433.24 × 6,763,928.58
  4. Step 4: Simplify right side
    11,920,580.55x = 111,269,555,511,598.36
  5. Step 5: Solve for x
    x = 111,269,555,511,598.36/11,920,580.55
  6. Step 6: Final answer
    x = 9,334,239.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.