Finding the Fourth Proportional to 7,065,119.82, 10,599,807.12 and 2,207,230.05
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Solution
The fourth proportional to 7,065,119.82, 10,599,807.12 and 2,207,230.05 is: 3,311,509.70
Step by Step Solution
- Step 1: Write the proportion equation
7,065,119.82 : 10,599,807.12 = 2,207,230.05 : x - Step 2: Convert to fraction form
7,065,119.82/10,599,807.12 = 2,207,230.05/x - Step 3: Cross multiply
7,065,119.82x = 10,599,807.12 × 2,207,230.05 - Step 4: Simplify right side
7,065,119.82x = 23,396,212,799,467.95 - Step 5: Solve for x
x = 23,396,212,799,467.95/7,065,119.82 - Step 6: Final answer
x = 3,311,509.70
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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.