Finding the Fourth Proportional to 7,515,984.70, 11,268,455.90 and 2,395,468.18
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Solution
The fourth proportional to 7,515,984.70, 11,268,455.90 and 2,395,468.18 is: 3,591,442.59
Step by Step Solution
- Step 1: Write the proportion equation
7,515,984.70 : 11,268,455.90 = 2,395,468.18 : x - Step 2: Convert to fraction form
7,515,984.70/11,268,455.90 = 2,395,468.18/x - Step 3: Cross multiply
7,515,984.70x = 11,268,455.90 × 2,395,468.18 - Step 4: Simplify right side
7,515,984.70x = 26,993,227,546,183.27 - Step 5: Solve for x
x = 26,993,227,546,183.27/7,515,984.70 - Step 6: Final answer
x = 3,591,442.59
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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.