Finding the Fourth Proportional to 14,379,639.42, 19,844,392.12 and 8,504,310.05
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Solution
The fourth proportional to 14,379,639.42, 19,844,392.12 and 8,504,310.05 is: 11,736,237.49
Step by Step Solution
- Step 1: Write the proportion equation
14,379,639.42 : 19,844,392.12 = 8,504,310.05 : x - Step 2: Convert to fraction form
14,379,639.42/19,844,392.12 = 8,504,310.05/x - Step 3: Cross multiply
14,379,639.42x = 19,844,392.12 × 8,504,310.05 - Step 4: Simplify right side
14,379,639.42x = 168,762,863,296,190.53 - Step 5: Solve for x
x = 168,762,863,296,190.53/14,379,639.42 - Step 6: Final answer
x = 11,736,237.49
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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.