Finding the Fourth Proportional to 11,718,840.56, 16,171,824.24 and 6,491,832.18
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Solution
The fourth proportional to 11,718,840.56, 16,171,824.24 and 6,491,832.18 is: 8,958,631.06
Step by Step Solution
- Step 1: Write the proportion equation
11,718,840.56 : 16,171,824.24 = 6,491,832.18 : x - Step 2: Convert to fraction form
11,718,840.56/16,171,824.24 = 6,491,832.18/x - Step 3: Cross multiply
11,718,840.56x = 16,171,824.24 × 6,491,832.18 - Step 4: Simplify right side
11,718,840.56x = 104,984,769,010,536.05 - Step 5: Solve for x
x = 104,984,769,010,536.05/11,718,840.56 - Step 6: Final answer
x = 8,958,631.06
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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.