Finding the Fourth Proportional to 7,867,998.20, 10,858,172.62 and 4,383,335
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Solution
The fourth proportional to 7,867,998.20, 10,858,172.62 and 4,383,335 is: 6,049,188.99
Step by Step Solution
- Step 1: Write the proportion equation
7,867,998.20 : 10,858,172.62 = 4,383,335 : x - Step 2: Convert to fraction form
7,867,998.20/10,858,172.62 = 4,383,335/x - Step 3: Cross multiply
7,867,998.20x = 10,858,172.62 × 4,383,335 - Step 4: Simplify right side
7,867,998.20x = 47,595,008,081,287.70 - Step 5: Solve for x
x = 47,595,008,081,287.70/7,867,998.20 - Step 6: Final answer
x = 6,049,188.99
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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.