Finding the Fourth Proportional to 7,470,369.91, 11,197,054.76 and 4,546,012.99
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Solution
The fourth proportional to 7,470,369.91, 11,197,054.76 and 4,546,012.99 is: 6,813,846.83
Step by Step Solution
- Step 1: Write the proportion equation
7,470,369.91 : 11,197,054.76 = 4,546,012.99 : x - Step 2: Convert to fraction form
7,470,369.91/11,197,054.76 = 4,546,012.99/x - Step 3: Cross multiply
7,470,369.91x = 11,197,054.76 × 4,546,012.99 - Step 4: Simplify right side
7,470,369.91x = 50,901,956,309,986 - Step 5: Solve for x
x = 50,901,956,309,986/7,470,369.91 - Step 6: Final answer
x = 6,813,846.83
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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.