Finding the Fourth Proportional to 55,274,684.70, 82,922,654.24 and 21,193,372.74
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Solution
The fourth proportional to 55,274,684.70, 82,922,654.24 and 21,193,372.74 is: 31,794,133.78
Step by Step Solution
- Step 1: Write the proportion equation
55,274,684.70 : 82,922,654.24 = 21,193,372.74 : x - Step 2: Convert to fraction form
55,274,684.70/82,922,654.24 = 21,193,372.74/x - Step 3: Cross multiply
55,274,684.70x = 82,922,654.24 × 21,193,372.74 - Step 4: Simplify right side
55,274,684.70x = 1,757,410,719,898,461.25 - Step 5: Solve for x
x = 1,757,410,719,898,461.25/55,274,684.70 - Step 6: Final answer
x = 31,794,133.78
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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.