Finding the Fourth Proportional to 8,482,161.30, 12,718,883.55 and 2,497,751.70
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Solution
The fourth proportional to 8,482,161.30, 12,718,883.55 and 2,497,751.70 is: 3,745,344.13
Step by Step Solution
- Step 1: Write the proportion equation
8,482,161.30 : 12,718,883.55 = 2,497,751.70 : x - Step 2: Convert to fraction form
8,482,161.30/12,718,883.55 = 2,497,751.70/x - Step 3: Cross multiply
8,482,161.30x = 12,718,883.55 × 2,497,751.70 - Step 4: Simplify right side
8,482,161.30x = 31,768,613,009,114.54 - Step 5: Solve for x
x = 31,768,613,009,114.54/8,482,161.30 - Step 6: Final answer
x = 3,745,344.13
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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.