Finding the Fourth Proportional to 8,127,993.64, 12,183,455.58 and 2,734,771.65
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Solution
The fourth proportional to 8,127,993.64, 12,183,455.58 and 2,734,771.65 is: 4,099,285.80
Step by Step Solution
- Step 1: Write the proportion equation
8,127,993.64 : 12,183,455.58 = 2,734,771.65 : x - Step 2: Convert to fraction form
8,127,993.64/12,183,455.58 = 2,734,771.65/x - Step 3: Cross multiply
8,127,993.64x = 12,183,455.58 × 2,734,771.65 - Step 4: Simplify right side
8,127,993.64x = 33,318,968,919,218.30 - Step 5: Solve for x
x = 33,318,968,919,218.30/8,127,993.64 - Step 6: Final answer
x = 4,099,285.80
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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.