Finding the Fourth Proportional to 11,889,857.36, 16,409,015.12 and 6,734,136.08
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Solution
The fourth proportional to 11,889,857.36, 16,409,015.12 and 6,734,136.08 is: 9,293,680.94
Step by Step Solution
- Step 1: Write the proportion equation
11,889,857.36 : 16,409,015.12 = 6,734,136.08 : x - Step 2: Convert to fraction form
11,889,857.36/16,409,015.12 = 6,734,136.08/x - Step 3: Cross multiply
11,889,857.36x = 16,409,015.12 × 6,734,136.08 - Step 4: Simplify right side
11,889,857.36x = 110,500,540,756,857.53 - Step 5: Solve for x
x = 110,500,540,756,857.53/11,889,857.36 - Step 6: Final answer
x = 9,293,680.94
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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.