Finding the Fourth Proportional to 8,513,839.16, 12,763,163.04 and 3,121,230.24
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Solution
The fourth proportional to 8,513,839.16, 12,763,163.04 and 3,121,230.24 is: 4,679,060.73
Step by Step Solution
- Step 1: Write the proportion equation
8,513,839.16 : 12,763,163.04 = 3,121,230.24 : x - Step 2: Convert to fraction form
8,513,839.16/12,763,163.04 = 3,121,230.24/x - Step 3: Cross multiply
8,513,839.16x = 12,763,163.04 × 3,121,230.24 - Step 4: Simplify right side
8,513,839.16x = 39,836,770,438,498.33 - Step 5: Solve for x
x = 39,836,770,438,498.33/8,513,839.16 - Step 6: Final answer
x = 4,679,060.73
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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.