Finding the Fourth Proportional to 13,857,546.96, 20,784,983.13 and 4,270,351.32
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Solution
The fourth proportional to 13,857,546.96, 20,784,983.13 and 4,270,351.32 is: 6,405,114.87
Step by Step Solution
- Step 1: Write the proportion equation
13,857,546.96 : 20,784,983.13 = 4,270,351.32 : x - Step 2: Convert to fraction form
13,857,546.96/20,784,983.13 = 4,270,351.32/x - Step 3: Cross multiply
13,857,546.96x = 20,784,983.13 × 4,270,351.32 - Step 4: Simplify right side
13,857,546.96x = 88,759,180,145,373.23 - Step 5: Solve for x
x = 88,759,180,145,373.23/13,857,546.96 - Step 6: Final answer
x = 6,405,114.87
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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.