Finding the Fourth Proportional to 8,494,770.78, 11,722,405.50 and 4,962,894.75
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Solution
The fourth proportional to 8,494,770.78, 11,722,405.50 and 4,962,894.75 is: 6,848,573.81
Step by Step Solution
- Step 1: Write the proportion equation
8,494,770.78 : 11,722,405.50 = 4,962,894.75 : x - Step 2: Convert to fraction form
8,494,770.78/11,722,405.50 = 4,962,894.75/x - Step 3: Cross multiply
8,494,770.78x = 11,722,405.50 × 4,962,894.75 - Step 4: Simplify right side
8,494,770.78x = 58,177,064,713,321.12 - Step 5: Solve for x
x = 58,177,064,713,321.12/8,494,770.78 - Step 6: Final answer
x = 6,848,573.81
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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.