Finding the Fourth Proportional to 7,647,110.97, 10,553,291.62 and 4,162,281.38
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Solution
The fourth proportional to 7,647,110.97, 10,553,291.62 and 4,162,281.38 is: 5,744,099.88
Step by Step Solution
- Step 1: Write the proportion equation
7,647,110.97 : 10,553,291.62 = 4,162,281.38 : x - Step 2: Convert to fraction form
7,647,110.97/10,553,291.62 = 4,162,281.38/x - Step 3: Cross multiply
7,647,110.97x = 10,553,291.62 × 4,162,281.38 - Step 4: Simplify right side
7,647,110.97x = 43,925,769,223,613.55 - Step 5: Solve for x
x = 43,925,769,223,613.55/7,647,110.97 - Step 6: Final answer
x = 5,744,099.88
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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.