Finding the Fourth Proportional to 18,202,208.10, 27,303,312.15 and 16,375,625.70
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Solution
The fourth proportional to 18,202,208.10, 27,303,312.15 and 16,375,625.70 is: 24,563,438.55
Step by Step Solution
- Step 1: Write the proportion equation
18,202,208.10 : 27,303,312.15 = 16,375,625.70 : x - Step 2: Convert to fraction form
18,202,208.10/27,303,312.15 = 16,375,625.70/x - Step 3: Cross multiply
18,202,208.10x = 27,303,312.15 × 16,375,625.70 - Step 4: Simplify right side
18,202,208.10x = 447,108,820,138,662.19 - Step 5: Solve for x
x = 447,108,820,138,662.19/18,202,208.10 - Step 6: Final answer
x = 24,563,438.55
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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.