Finding the Fourth Proportional to 11,701,144.78, 16,147,491.99 and 6,544,506.33
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Solution
The fourth proportional to 11,701,144.78, 16,147,491.99 and 6,544,506.33 is: 9,031,369.62
Step by Step Solution
- Step 1: Write the proportion equation
11,701,144.78 : 16,147,491.99 = 6,544,506.33 : x - Step 2: Convert to fraction form
11,701,144.78/16,147,491.99 = 6,544,506.33/x - Step 3: Cross multiply
11,701,144.78x = 16,147,491.99 × 6,544,506.33 - Step 4: Simplify right side
11,701,144.78x = 105,677,363,542,179.30 - Step 5: Solve for x
x = 105,677,363,542,179.30/11,701,144.78 - Step 6: Final answer
x = 9,031,369.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.