Finding the Fourth Proportional to 7,855,715.36, 10,840,716.96 and 4,548,149.12
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Solution
The fourth proportional to 7,855,715.36, 10,840,716.96 and 4,548,149.12 is: 6,276,347.23
Step by Step Solution
- Step 1: Write the proportion equation
7,855,715.36 : 10,840,716.96 = 4,548,149.12 : x - Step 2: Convert to fraction form
7,855,715.36/10,840,716.96 = 4,548,149.12/x - Step 3: Cross multiply
7,855,715.36x = 10,840,716.96 × 4,548,149.12 - Step 4: Simplify right side
7,855,715.36x = 49,305,197,301,793.08 - Step 5: Solve for x
x = 49,305,197,301,793.08/7,855,715.36 - Step 6: Final answer
x = 6,276,347.23
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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.