Finding the Fourth Proportional to 11,783,899.36, 16,261,624.48 and 6,627,260.72
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Solution
The fourth proportional to 11,783,899.36, 16,261,624.48 and 6,627,260.72 is: 9,145,531.70
Step by Step Solution
- Step 1: Write the proportion equation
11,783,899.36 : 16,261,624.48 = 6,627,260.72 : x - Step 2: Convert to fraction form
11,783,899.36/16,261,624.48 = 6,627,260.72/x - Step 3: Cross multiply
11,783,899.36x = 16,261,624.48 × 6,627,260.72 - Step 4: Simplify right side
11,783,899.36x = 107,770,025,159,694.42 - Step 5: Solve for x
x = 107,770,025,159,694.42/11,783,899.36 - Step 6: Final answer
x = 9,145,531.70
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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.