Finding the Fourth Proportional to 39,844,948.75, 54,979,961.66 and 22,440,190.39
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Solution
The fourth proportional to 39,844,948.75, 54,979,961.66 and 22,440,190.39 is: 30,964,045.53
Step by Step Solution
- Step 1: Write the proportion equation
39,844,948.75 : 54,979,961.66 = 22,440,190.39 : x - Step 2: Convert to fraction form
39,844,948.75/54,979,961.66 = 22,440,190.39/x - Step 3: Cross multiply
39,844,948.75x = 54,979,961.66 × 22,440,190.39 - Step 4: Simplify right side
39,844,948.75x = 1,233,760,807,119,800.25 - Step 5: Solve for x
x = 1,233,760,807,119,800.25/39,844,948.75 - Step 6: Final answer
x = 30,964,045.53
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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.