Finding the Fourth Proportional to 10,863,847.80, 16,295,771.70 and 3,290,813.55
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Solution
The fourth proportional to 10,863,847.80, 16,295,771.70 and 3,290,813.55 is: 4,936,220.33
Step by Step Solution
- Step 1: Write the proportion equation
10,863,847.80 : 16,295,771.70 = 3,290,813.55 : x - Step 2: Convert to fraction form
10,863,847.80/16,295,771.70 = 3,290,813.55/x - Step 3: Cross multiply
10,863,847.80x = 16,295,771.70 × 3,290,813.55 - Step 4: Simplify right side
10,863,847.80x = 53,626,346,318,066.53 - Step 5: Solve for x
x = 53,626,346,318,066.53/10,863,847.80 - Step 6: Final answer
x = 4,936,220.33
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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.