Finding the Fourth Proportional to 11,206,658.67, 15,469,058.80 and 6,561,936.75
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Solution
The fourth proportional to 11,206,658.67, 15,469,058.80 and 6,561,936.75 is: 9,057,738.65
Step by Step Solution
- Step 1: Write the proportion equation
11,206,658.67 : 15,469,058.80 = 6,561,936.75 : x - Step 2: Convert to fraction form
11,206,658.67/15,469,058.80 = 6,561,936.75/x - Step 3: Cross multiply
11,206,658.67x = 15,469,058.80 × 6,561,936.75 - Step 4: Simplify right side
11,206,658.67x = 101,506,985,427,630.91 - Step 5: Solve for x
x = 101,506,985,427,630.91/11,206,658.67 - Step 6: Final answer
x = 9,057,738.65
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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.