Finding the Fourth Proportional to 11,888,314.36, 16,405,596.18 and 6,993,851.56
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Solution
The fourth proportional to 11,888,314.36, 16,405,596.18 and 6,993,851.56 is: 9,651,351.82
Step by Step Solution
- Step 1: Write the proportion equation
11,888,314.36 : 16,405,596.18 = 6,993,851.56 : x - Step 2: Convert to fraction form
11,888,314.36/16,405,596.18 = 6,993,851.56/x - Step 3: Cross multiply
11,888,314.36x = 16,405,596.18 × 6,993,851.56 - Step 4: Simplify right side
11,888,314.36x = 114,738,304,436,223.03 - Step 5: Solve for x
x = 114,738,304,436,223.03/11,888,314.36 - Step 6: Final answer
x = 9,651,351.82
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1.5x scale
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.