Finding the Fourth Proportional to 7,450,331.70, 11,175,497.55 and 6,741,743.70
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Solution
The fourth proportional to 7,450,331.70, 11,175,497.55 and 6,741,743.70 is: 10,112,615.55
Step by Step Solution
- Step 1: Write the proportion equation
7,450,331.70 : 11,175,497.55 = 6,741,743.70 : x - Step 2: Convert to fraction form
7,450,331.70/11,175,497.55 = 6,741,743.70/x - Step 3: Cross multiply
7,450,331.70x = 11,175,497.55 × 6,741,743.70 - Step 4: Simplify right side
7,450,331.70x = 75,342,340,202,077.94 - Step 5: Solve for x
x = 75,342,340,202,077.94/7,450,331.70 - Step 6: Final answer
x = 10,112,615.55
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1.5x scale
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.