Finding the Fourth Proportional to 11,131,463.51, 16,699,292.90 and 4,217,013.99
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Solution
The fourth proportional to 11,131,463.51, 16,699,292.90 and 4,217,013.99 is: 6,326,315.65
Step by Step Solution
- Step 1: Write the proportion equation
11,131,463.51 : 16,699,292.90 = 4,217,013.99 : x - Step 2: Convert to fraction form
11,131,463.51/16,699,292.90 = 4,217,013.99/x - Step 3: Cross multiply
11,131,463.51x = 16,699,292.90 × 4,217,013.99 - Step 4: Simplify right side
11,131,463.51x = 70,421,151,777,136.41 - Step 5: Solve for x
x = 70,421,151,777,136.41/11,131,463.51 - Step 6: Final answer
x = 6,326,315.65
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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.