Finding the Fourth Proportional to 12,270,053.21, 16,932,791.90 and 6,763,640.81
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Solution
The fourth proportional to 12,270,053.21, 16,932,791.90 and 6,763,640.81 is: 9,333,889.62
Step by Step Solution
- Step 1: Write the proportion equation
12,270,053.21 : 16,932,791.90 = 6,763,640.81 : x - Step 2: Convert to fraction form
12,270,053.21/16,932,791.90 = 6,763,640.81/x - Step 3: Cross multiply
12,270,053.21x = 16,932,791.90 × 6,763,640.81 - Step 4: Simplify right side
12,270,053.21x = 114,527,322,288,259.22 - Step 5: Solve for x
x = 114,527,322,288,259.22/12,270,053.21 - Step 6: Final answer
x = 9,333,889.62
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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.