Finding the Fourth Proportional to 18,446,814.36, 27,648,207.30 and 8,585,608.10
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Solution
The fourth proportional to 18,446,814.36, 27,648,207.30 and 8,585,608.10 is: 12,868,166.17
Step by Step Solution
- Step 1: Write the proportion equation
18,446,814.36 : 27,648,207.30 = 8,585,608.10 : x - Step 2: Convert to fraction form
18,446,814.36/27,648,207.30 = 8,585,608.10/x - Step 3: Cross multiply
18,446,814.36x = 27,648,207.30 × 8,585,608.10 - Step 4: Simplify right side
18,446,814.36x = 237,376,672,545,359.12 - Step 5: Solve for x
x = 237,376,672,545,359.12/18,446,814.36 - Step 6: Final answer
x = 12,868,166.17
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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.