Finding the Fourth Proportional to 13,544,735.96, 18,690,765.18 and 7,743,762.20
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Solution
The fourth proportional to 13,544,735.96, 18,690,765.18 and 7,743,762.20 is: 10,685,837.02
Step by Step Solution
- Step 1: Write the proportion equation
13,544,735.96 : 18,690,765.18 = 7,743,762.20 : x - Step 2: Convert to fraction form
13,544,735.96/18,690,765.18 = 7,743,762.20/x - Step 3: Cross multiply
13,544,735.96x = 18,690,765.18 × 7,743,762.20 - Step 4: Simplify right side
13,544,735.96x = 144,736,840,889,960.19 - Step 5: Solve for x
x = 144,736,840,889,960.19/13,544,735.96 - Step 6: Final answer
x = 10,685,837.02
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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.