Home / 12,089,874.75-18,137,205.27-3,454,048.68

Finding the Fourth Proportional to 12,089,874.75, 18,137,205.27 and 3,454,048.68

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Solution

The fourth proportional to 12,089,874.75, 18,137,205.27 and 3,454,048.68 is: 5,181,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,874.75 : 18,137,205.27 = 3,454,048.68 : x
  2. Step 2: Convert to fraction form
    12,089,874.75/18,137,205.27 = 3,454,048.68/x
  3. Step 3: Cross multiply
    12,089,874.75x = 18,137,205.27 × 3,454,048.68
  4. Step 4: Simplify right side
    12,089,874.75x = 62,646,789,921,732.55
  5. Step 5: Solve for x
    x = 62,646,789,921,732.55/12,089,874.75
  6. Step 6: Final answer
    x = 5,181,756.74

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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.