Finding the Fourth Proportional to 7,683,709.11, 10,603,670.64 and 4,199,263.68
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Solution
The fourth proportional to 7,683,709.11, 10,603,670.64 and 4,199,263.68 is: 5,795,066.99
Step by Step Solution
- Step 1: Write the proportion equation
7,683,709.11 : 10,603,670.64 = 4,199,263.68 : x - Step 2: Convert to fraction form
7,683,709.11/10,603,670.64 = 4,199,263.68/x - Step 3: Cross multiply
7,683,709.11x = 10,603,670.64 × 4,199,263.68 - Step 4: Simplify right side
7,683,709.11x = 44,527,608,993,234.35 - Step 5: Solve for x
x = 44,527,608,993,234.35/7,683,709.11 - Step 6: Final answer
x = 5,795,066.99
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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.