Finding the Fourth Proportional to 7,474,680.60, 10,310,319.54 and 4,716,551.02
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Solution
The fourth proportional to 7,474,680.60, 10,310,319.54 and 4,716,551.02 is: 6,505,849.65
Step by Step Solution
- Step 1: Write the proportion equation
7,474,680.60 : 10,310,319.54 = 4,716,551.02 : x - Step 2: Convert to fraction form
7,474,680.60/10,310,319.54 = 4,716,551.02/x - Step 3: Cross multiply
7,474,680.60x = 10,310,319.54 × 4,716,551.02 - Step 4: Simplify right side
7,474,680.60x = 48,629,148,142,912.92 - Step 5: Solve for x
x = 48,629,148,142,912.92/7,474,680.60 - Step 6: Final answer
x = 6,505,849.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.