Finding the Fourth Proportional to 7,991,116.53, 11,027,471.88 and 5,052,515.37
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Solution
The fourth proportional to 7,991,116.53, 11,027,471.88 and 5,052,515.37 is: 6,972,301.17
Step by Step Solution
- Step 1: Write the proportion equation
7,991,116.53 : 11,027,471.88 = 5,052,515.37 : x - Step 2: Convert to fraction form
7,991,116.53/11,027,471.88 = 5,052,515.37/x - Step 3: Cross multiply
7,991,116.53x = 11,027,471.88 × 5,052,515.37 - Step 4: Simplify right side
7,991,116.53x = 55,716,471,165,942.80 - Step 5: Solve for x
x = 55,716,471,165,942.80/7,991,116.53 - Step 6: Final answer
x = 6,972,301.17
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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.