Finding the Fourth Proportional to 7,518,984.44, 11,278,911.47 and 2,127,183.20
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Solution
The fourth proportional to 7,518,984.44, 11,278,911.47 and 2,127,183.20 is: 3,190,897.80
Step by Step Solution
- Step 1: Write the proportion equation
7,518,984.44 : 11,278,911.47 = 2,127,183.20 : x - Step 2: Convert to fraction form
7,518,984.44/11,278,911.47 = 2,127,183.20/x - Step 3: Cross multiply
7,518,984.44x = 11,278,911.47 × 2,127,183.20 - Step 4: Simplify right side
7,518,984.44x = 23,992,310,926,240.83 - Step 5: Solve for x
x = 23,992,310,926,240.83/7,518,984.44 - Step 6: Final answer
x = 3,190,897.80
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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.