Finding the Fourth Proportional to 39,192,504.01, 54,085,865.81 and 21,552,544.02
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Solution
The fourth proportional to 39,192,504.01, 54,085,865.81 and 21,552,544.02 is: 29,742,626.39
Step by Step Solution
- Step 1: Write the proportion equation
39,192,504.01 : 54,085,865.81 = 21,552,544.02 : x - Step 2: Convert to fraction form
39,192,504.01/54,085,865.81 = 21,552,544.02/x - Step 3: Cross multiply
39,192,504.01x = 54,085,865.81 × 21,552,544.02 - Step 4: Simplify right side
39,192,504.01x = 1,165,688,003,824,897.25 - Step 5: Solve for x
x = 1,165,688,003,824,897.25/39,192,504.01 - Step 6: Final answer
x = 29,742,626.39
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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.