Finding the Fourth Proportional to 11,478,136.57, 17,211,226.03 and 4,283,754.03
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Solution
The fourth proportional to 11,478,136.57, 17,211,226.03 and 4,283,754.03 is: 6,423,399.69
Step by Step Solution
- Step 1: Write the proportion equation
11,478,136.57 : 17,211,226.03 = 4,283,754.03 : x - Step 2: Convert to fraction form
11,478,136.57/17,211,226.03 = 4,283,754.03/x - Step 3: Cross multiply
11,478,136.57x = 17,211,226.03 × 4,283,754.03 - Step 4: Simplify right side
11,478,136.57x = 73,728,658,937,150.20 - Step 5: Solve for x
x = 73,728,658,937,150.20/11,478,136.57 - Step 6: Final answer
x = 6,423,399.69
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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.