Finding the Fourth Proportional to 18,144,600.58, 27,207,451.23 and 8,557,404.94
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Solution
The fourth proportional to 18,144,600.58, 27,207,451.23 and 8,557,404.94 is: 12,831,650.75
Step by Step Solution
- Step 1: Write the proportion equation
18,144,600.58 : 27,207,451.23 = 8,557,404.94 : x - Step 2: Convert to fraction form
18,144,600.58/27,207,451.23 = 8,557,404.94/x - Step 3: Cross multiply
18,144,600.58x = 27,207,451.23 × 8,557,404.94 - Step 4: Simplify right side
18,144,600.58x = 232,825,177,560,411.06 - Step 5: Solve for x
x = 232,825,177,560,411.06/18,144,600.58 - Step 6: Final answer
x = 12,831,650.75
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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.