Finding the Fourth Proportional to 14,233,844.75, 21,330,321.09 and 8,090,707.55
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Solution
The fourth proportional to 14,233,844.75, 21,330,321.09 and 8,090,707.55 is: 12,124,439.52
Step by Step Solution
- Step 1: Write the proportion equation
14,233,844.75 : 21,330,321.09 = 8,090,707.55 : x - Step 2: Convert to fraction form
14,233,844.75/21,330,321.09 = 8,090,707.55/x - Step 3: Cross multiply
14,233,844.75x = 21,330,321.09 × 8,090,707.55 - Step 4: Simplify right side
14,233,844.75x = 172,577,389,780,135.62 - Step 5: Solve for x
x = 172,577,389,780,135.62/14,233,844.75 - Step 6: Final answer
x = 12,124,439.52
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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.