Finding the Fourth Proportional to 11,554,778.16, 15,945,399.09 and 6,398,028.99
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Solution
The fourth proportional to 11,554,778.16, 15,945,399.09 and 6,398,028.99 is: 8,829,172.16
Step by Step Solution
- Step 1: Write the proportion equation
11,554,778.16 : 15,945,399.09 = 6,398,028.99 : x - Step 2: Convert to fraction form
11,554,778.16/15,945,399.09 = 6,398,028.99/x - Step 3: Cross multiply
11,554,778.16x = 15,945,399.09 × 6,398,028.99 - Step 4: Simplify right side
11,554,778.16x = 102,019,125,634,939.62 - Step 5: Solve for x
x = 102,019,125,634,939.62/11,554,778.16 - Step 6: Final answer
x = 8,829,172.16
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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.