Finding the Fourth Proportional to 39,040,302.53, 53,875,622.60 and 21,637,771.26
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Solution
The fourth proportional to 39,040,302.53, 53,875,622.60 and 21,637,771.26 is: 29,860,127.17
Step by Step Solution
- Step 1: Write the proportion equation
39,040,302.53 : 53,875,622.60 = 21,637,771.26 : x - Step 2: Convert to fraction form
39,040,302.53/53,875,622.60 = 21,637,771.26/x - Step 3: Cross multiply
39,040,302.53x = 53,875,622.60 × 21,637,771.26 - Step 4: Simplify right side
39,040,302.53x = 1,165,748,398,200,697.75 - Step 5: Solve for x
x = 1,165,748,398,200,697.75/39,040,302.53 - Step 6: Final answer
x = 29,860,127.17
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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.