Finding the Fourth Proportional to 11,239,018.84, 15,509,845.80 and 6,082,380.40
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Solution
The fourth proportional to 11,239,018.84, 15,509,845.80 and 6,082,380.40 is: 8,393,684.84
Step by Step Solution
- Step 1: Write the proportion equation
11,239,018.84 : 15,509,845.80 = 6,082,380.40 : x - Step 2: Convert to fraction form
11,239,018.84/15,509,845.80 = 6,082,380.40/x - Step 3: Cross multiply
11,239,018.84x = 15,509,845.80 × 6,082,380.40 - Step 4: Simplify right side
11,239,018.84x = 94,336,782,100,942.33 - Step 5: Solve for x
x = 94,336,782,100,942.33/11,239,018.84 - Step 6: Final answer
x = 8,393,684.84
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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.