Finding the Fourth Proportional to 8,114,418.09, 12,168,825.30 and 2,355,590.70
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Solution
The fourth proportional to 8,114,418.09, 12,168,825.30 and 2,355,590.70 is: 3,532,572.69
Step by Step Solution
- Step 1: Write the proportion equation
8,114,418.09 : 12,168,825.30 = 2,355,590.70 : x - Step 2: Convert to fraction form
8,114,418.09/12,168,825.30 = 2,355,590.70/x - Step 3: Cross multiply
8,114,418.09x = 12,168,825.30 × 2,355,590.70 - Step 4: Simplify right side
8,114,418.09x = 28,664,771,706,604.71 - Step 5: Solve for x
x = 28,664,771,706,604.71/8,114,418.09 - Step 6: Final answer
x = 3,532,572.69
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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.