Finding the Fourth Proportional to 10,854,841.80, 16,284,624.30 and 3,281,609.80
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Solution
The fourth proportional to 10,854,841.80, 16,284,624.30 and 3,281,609.80 is: 4,923,128.65
Step by Step Solution
- Step 1: Write the proportion equation
10,854,841.80 : 16,284,624.30 = 3,281,609.80 : x - Step 2: Convert to fraction form
10,854,841.80/16,284,624.30 = 3,281,609.80/x - Step 3: Cross multiply
10,854,841.80x = 16,284,624.30 × 3,281,609.80 - Step 4: Simplify right side
10,854,841.80x = 53,439,782,692,198.14 - Step 5: Solve for x
x = 53,439,782,692,198.14/10,854,841.80 - Step 6: Final answer
x = 4,923,128.65
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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.