Finding the Fourth Proportional to 18,397,731.10, 27,596,596.65 and 11,205,562.90
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Solution
The fourth proportional to 18,397,731.10, 27,596,596.65 and 11,205,562.90 is: 16,808,344.35
Step by Step Solution
- Step 1: Write the proportion equation
18,397,731.10 : 27,596,596.65 = 11,205,562.90 : x - Step 2: Convert to fraction form
18,397,731.10/27,596,596.65 = 11,205,562.90/x - Step 3: Cross multiply
18,397,731.10x = 27,596,596.65 × 11,205,562.90 - Step 4: Simplify right side
18,397,731.10x = 309,235,399,587,504.25 - Step 5: Solve for x
x = 309,235,399,587,504.25/18,397,731.10 - Step 6: Final answer
x = 16,808,344.35
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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.