Finding the Fourth Proportional to 39,812,902.33, 54,938,302.51 and 22,170,471.75
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Solution
The fourth proportional to 39,812,902.33, 54,938,302.51 and 22,170,471.75 is: 30,593,300.47
Step by Step Solution
- Step 1: Write the proportion equation
39,812,902.33 : 54,938,302.51 = 22,170,471.75 : x - Step 2: Convert to fraction form
39,812,902.33/54,938,302.51 = 22,170,471.75/x - Step 3: Cross multiply
39,812,902.33x = 54,938,302.51 × 22,170,471.75 - Step 4: Simplify right side
39,812,902.33x = 1,218,008,083,405,365.25 - Step 5: Solve for x
x = 1,218,008,083,405,365.25/39,812,902.33 - Step 6: Final answer
x = 30,593,300.47
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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.