Finding the Fourth Proportional to 16,379,969.80, 24,569,954.70 and 7,282,049.80
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Solution
The fourth proportional to 16,379,969.80, 24,569,954.70 and 7,282,049.80 is: 10,923,074.70
Step by Step Solution
- Step 1: Write the proportion equation
16,379,969.80 : 24,569,954.70 = 7,282,049.80 : x - Step 2: Convert to fraction form
16,379,969.80/24,569,954.70 = 7,282,049.80/x - Step 3: Cross multiply
16,379,969.80x = 24,569,954.70 × 7,282,049.80 - Step 4: Simplify right side
16,379,969.80x = 178,919,633,709,144.06 - Step 5: Solve for x
x = 178,919,633,709,144.06/16,379,969.80 - Step 6: Final answer
x = 10,923,074.70
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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.