Finding the Fourth Proportional to 7,445,527.80, 11,156,481.90 and 4,918,230.60
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Solution
The fourth proportional to 7,445,527.80, 11,156,481.90 and 4,918,230.60 is: 7,369,544.80
Step by Step Solution
- Step 1: Write the proportion equation
7,445,527.80 : 11,156,481.90 = 4,918,230.60 : x - Step 2: Convert to fraction form
7,445,527.80/11,156,481.90 = 4,918,230.60/x - Step 3: Cross multiply
7,445,527.80x = 11,156,481.90 × 4,918,230.60 - Step 4: Simplify right side
7,445,527.80x = 54,870,150,668,926.14 - Step 5: Solve for x
x = 54,870,150,668,926.14/7,445,527.80 - Step 6: Final answer
x = 7,369,544.80
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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.