Finding the Fourth Proportional to 18,446,814.85, 27,648,208.04 and 8,585,608.60
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Solution
The fourth proportional to 18,446,814.85, 27,648,208.04 and 8,585,608.60 is: 12,868,166.92
Step by Step Solution
- Step 1: Write the proportion equation
18,446,814.85 : 27,648,208.04 = 8,585,608.60 : x - Step 2: Convert to fraction form
18,446,814.85/27,648,208.04 = 8,585,608.60/x - Step 3: Cross multiply
18,446,814.85x = 27,648,208.04 × 8,585,608.60 - Step 4: Simplify right side
18,446,814.85x = 237,376,692,722,813.12 - Step 5: Solve for x
x = 237,376,692,722,813.12/18,446,814.85 - Step 6: Final answer
x = 12,868,166.92
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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.