Finding the Fourth Proportional to 18,409,383.68, 27,626,517.12 and 6,442,223.36
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Solution
The fourth proportional to 18,409,383.68, 27,626,517.12 and 6,442,223.36 is: 9,667,688.88
Step by Step Solution
- Step 1: Write the proportion equation
18,409,383.68 : 27,626,517.12 = 6,442,223.36 : x - Step 2: Convert to fraction form
18,409,383.68/27,626,517.12 = 6,442,223.36/x - Step 3: Cross multiply
18,409,383.68x = 27,626,517.12 × 6,442,223.36 - Step 4: Simplify right side
18,409,383.68x = 177,976,193,945,903.94 - Step 5: Solve for x
x = 177,976,193,945,903.94/18,409,383.68 - Step 6: Final answer
x = 9,667,688.88
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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.