Finding the Fourth Proportional to 8,368,982.07, 11,549,578.89 and 4,647,830.12
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Solution
The fourth proportional to 8,368,982.07, 11,549,578.89 and 4,647,830.12 is: 6,414,218.62
Step by Step Solution
- Step 1: Write the proportion equation
8,368,982.07 : 11,549,578.89 = 4,647,830.12 : x - Step 2: Convert to fraction form
8,368,982.07/11,549,578.89 = 4,647,830.12/x - Step 3: Cross multiply
8,368,982.07x = 11,549,578.89 × 4,647,830.12 - Step 4: Simplify right side
8,368,982.07x = 53,680,480,641,250.56 - Step 5: Solve for x
x = 53,680,480,641,250.56/8,368,982.07 - Step 6: Final answer
x = 6,414,218.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.