Finding the Fourth Proportional to 11,679,974.62, 17,523,704.67 and 8,178,180.00
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Solution
The fourth proportional to 11,679,974.62, 17,523,704.67 and 8,178,180.00 is: 12,269,890.63
Step by Step Solution
- Step 1: Write the proportion equation
11,679,974.62 : 17,523,704.67 = 8,178,180.00 : x - Step 2: Convert to fraction form
11,679,974.62/17,523,704.67 = 8,178,180.00/x - Step 3: Cross multiply
11,679,974.62x = 17,523,704.67 × 8,178,180.00 - Step 4: Simplify right side
11,679,974.62x = 143,312,011,060,289.38 - Step 5: Solve for x
x = 143,312,011,060,289.38/11,679,974.62 - Step 6: Final answer
x = 12,269,890.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.