Finding the Fourth Proportional to 8,259,138.75, 11,397,934.68 and 5,651,112.78
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Solution
The fourth proportional to 8,259,138.75, 11,397,934.68 and 5,651,112.78 is: 7,798,756.78
Step by Step Solution
- Step 1: Write the proportion equation
8,259,138.75 : 11,397,934.68 = 5,651,112.78 : x - Step 2: Convert to fraction form
8,259,138.75/11,397,934.68 = 5,651,112.78/x - Step 3: Cross multiply
8,259,138.75x = 11,397,934.68 × 5,651,112.78 - Step 4: Simplify right side
8,259,138.75x = 64,411,014,335,753.21 - Step 5: Solve for x
x = 64,411,014,335,753.21/8,259,138.75 - Step 6: Final answer
x = 7,798,756.78
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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.