Finding the Fourth Proportional to 14,861,738,409.26, 20,509,202,352.45 and 8,178,734,974.01
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Solution
The fourth proportional to 14,861,738,409.26, 20,509,202,352.45 and 8,178,734,974.01 is: 11,286,656,106.43
Step by Step Solution
- Step 1: Write the proportion equation
14,861,738,409.26 : 20,509,202,352.45 = 8,178,734,974.01 : x - Step 2: Convert to fraction form
14,861,738,409.26/20,509,202,352.45 = 8,178,734,974.01/x - Step 3: Cross multiply
14,861,738,409.26x = 20,509,202,352.45 × 8,178,734,974.01 - Step 4: Simplify right side
14,861,738,409.26x = 167,739,330,569,030,991,872 - Step 5: Solve for x
x = 167,739,330,569,030,991,872/14,861,738,409.26 - Step 6: Final answer
x = 11,286,656,106.43
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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.