Finding the Fourth Proportional to 11,245,986.14, 16,869,633.08 and 3,159,592.11
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Solution
The fourth proportional to 11,245,986.14, 16,869,633.08 and 3,159,592.11 is: 4,739,571.87
Step by Step Solution
- Step 1: Write the proportion equation
11,245,986.14 : 16,869,633.08 = 3,159,592.11 : x - Step 2: Convert to fraction form
11,245,986.14/16,869,633.08 = 3,159,592.11/x - Step 3: Cross multiply
11,245,986.14x = 16,869,633.08 × 3,159,592.11 - Step 4: Simplify right side
11,245,986.14x = 53,301,159,562,365.03 - Step 5: Solve for x
x = 53,301,159,562,365.03/11,245,986.14 - Step 6: Final answer
x = 4,739,571.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.