Finding the Fourth Proportional to 8,137,716.74, 11,230,044.76 and 4,605,449.26
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Solution
The fourth proportional to 8,137,716.74, 11,230,044.76 and 4,605,449.26 is: 6,355,517.52
Step by Step Solution
- Step 1: Write the proportion equation
8,137,716.74 : 11,230,044.76 = 4,605,449.26 : x - Step 2: Convert to fraction form
8,137,716.74/11,230,044.76 = 4,605,449.26/x - Step 3: Cross multiply
8,137,716.74x = 11,230,044.76 × 4,605,449.26 - Step 4: Simplify right side
8,137,716.74x = 51,719,401,341,240.58 - Step 5: Solve for x
x = 51,719,401,341,240.58/8,137,716.74 - Step 6: Final answer
x = 6,355,517.52
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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.