Home / 12,089,927.80-18,134,891.70-8,263,552.60

Finding the Fourth Proportional to 12,089,927.80, 18,134,891.70 and 8,263,552.60

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Solution

The fourth proportional to 12,089,927.80, 18,134,891.70 and 8,263,552.60 is: 12,395,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,927.80 : 18,134,891.70 = 8,263,552.60 : x
  2. Step 2: Convert to fraction form
    12,089,927.80/18,134,891.70 = 8,263,552.60/x
  3. Step 3: Cross multiply
    12,089,927.80x = 18,134,891.70 × 8,263,552.60
  4. Step 4: Simplify right side
    12,089,927.80x = 149,858,631,458,253.41
  5. Step 5: Solve for x
    x = 149,858,631,458,253.41/12,089,927.80
  6. Step 6: Final answer
    x = 12,395,328.90

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1.5x scale

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.