Finding the Fourth Proportional to 29,527,067.20, 44,296,821.60 and 12,478,964.80
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Solution
The fourth proportional to 29,527,067.20, 44,296,821.60 and 12,478,964.80 is: 18,721,076.28
Step by Step Solution
- Step 1: Write the proportion equation
29,527,067.20 : 44,296,821.60 = 12,478,964.80 : x - Step 2: Convert to fraction form
29,527,067.20/44,296,821.60 = 12,478,964.80/x - Step 3: Cross multiply
29,527,067.20x = 44,296,821.60 × 12,478,964.80 - Step 4: Simplify right side
29,527,067.20x = 552,778,477,498,279.75 - Step 5: Solve for x
x = 552,778,477,498,279.75/29,527,067.20 - Step 6: Final answer
x = 18,721,076.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.