Finding the Fourth Proportional to 8,328,954.99, 11,494,543.61 and 4,658,213.12
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Solution
The fourth proportional to 8,328,954.99, 11,494,543.61 and 4,658,213.12 is: 6,428,661.68
Step by Step Solution
- Step 1: Write the proportion equation
8,328,954.99 : 11,494,543.61 = 4,658,213.12 : x - Step 2: Convert to fraction form
8,328,954.99/11,494,543.61 = 4,658,213.12/x - Step 3: Cross multiply
8,328,954.99x = 11,494,543.61 × 4,658,213.12 - Step 4: Simplify right side
8,328,954.99x = 53,544,033,771,750.38 - Step 5: Solve for x
x = 53,544,033,771,750.38/8,328,954.99 - Step 6: Final answer
x = 6,428,661.68
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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.