Finding the Fourth Proportional to 7,409,647.47, 11,120,855.69 and 5,136,767.99
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Solution
The fourth proportional to 7,409,647.47, 11,120,855.69 and 5,136,767.99 is: 7,709,578.05
Step by Step Solution
- Step 1: Write the proportion equation
7,409,647.47 : 11,120,855.69 = 5,136,767.99 : x - Step 2: Convert to fraction form
7,409,647.47/11,120,855.69 = 5,136,767.99/x - Step 3: Cross multiply
7,409,647.47x = 11,120,855.69 × 5,136,767.99 - Step 4: Simplify right side
7,409,647.47x = 57,125,255,474,197.09 - Step 5: Solve for x
x = 57,125,255,474,197.09/7,409,647.47 - Step 6: Final answer
x = 7,709,578.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.