Finding the Fourth Proportional to 12,294,456.68, 16,966,270.91 and 6,788,174.69
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Solution
The fourth proportional to 12,294,456.68, 16,966,270.91 and 6,788,174.69 is: 9,367,637.28
Step by Step Solution
- Step 1: Write the proportion equation
12,294,456.68 : 16,966,270.91 = 6,788,174.69 : x - Step 2: Convert to fraction form
12,294,456.68/16,966,270.91 = 6,788,174.69/x - Step 3: Cross multiply
12,294,456.68x = 16,966,270.91 × 6,788,174.69 - Step 4: Simplify right side
12,294,456.68x = 115,170,010,656,173.05 - Step 5: Solve for x
x = 115,170,010,656,173.05/12,294,456.68 - Step 6: Final answer
x = 9,367,637.28
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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.