Finding the Fourth Proportional to 30,252,208.05, 41,736,149.91 and 18,629,593.38
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Solution
The fourth proportional to 30,252,208.05, 41,736,149.91 and 18,629,593.38 is: 25,701,512.46
Step by Step Solution
- Step 1: Write the proportion equation
30,252,208.05 : 41,736,149.91 = 18,629,593.38 : x - Step 2: Convert to fraction form
30,252,208.05/41,736,149.91 = 18,629,593.38/x - Step 3: Cross multiply
30,252,208.05x = 41,736,149.91 × 18,629,593.38 - Step 4: Simplify right side
30,252,208.05x = 777,527,502,070,023.50 - Step 5: Solve for x
x = 777,527,502,070,023.50/30,252,208.05 - Step 6: Final answer
x = 25,701,512.46
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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.