Finding the Fourth Proportional to 39,915,561.81, 55,083,371.99 and 22,274,278.77
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Solution
The fourth proportional to 39,915,561.81, 55,083,371.99 and 22,274,278.77 is: 30,738,447.05
Step by Step Solution
- Step 1: Write the proportion equation
39,915,561.81 : 55,083,371.99 = 22,274,278.77 : x - Step 2: Convert to fraction form
39,915,561.81/55,083,371.99 = 22,274,278.77/x - Step 3: Cross multiply
39,915,561.81x = 55,083,371.99 × 22,274,278.77 - Step 4: Simplify right side
39,915,561.81x = 1,226,942,383,185,498.25 - Step 5: Solve for x
x = 1,226,942,383,185,498.25/39,915,561.81 - Step 6: Final answer
x = 30,738,447.05
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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.