Finding the Fourth Proportional to 39,964,912.26, 55,152,916.25 and 24,492,008.76
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Solution
The fourth proportional to 39,964,912.26, 55,152,916.25 and 24,492,008.76 is: 33,799,791.65
Step by Step Solution
- Step 1: Write the proportion equation
39,964,912.26 : 55,152,916.25 = 24,492,008.76 : x - Step 2: Convert to fraction form
39,964,912.26/55,152,916.25 = 24,492,008.76/x - Step 3: Cross multiply
39,964,912.26x = 55,152,916.25 × 24,492,008.76 - Step 4: Simplify right side
39,964,912.26x = 1,350,805,707,812,086.25 - Step 5: Solve for x
x = 1,350,805,707,812,086.25/39,964,912.26 - Step 6: Final answer
x = 33,799,791.65
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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.