Finding the Fourth Proportional to 11,793,176.21, 17,689,863.31 and 3,274,177.01
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Solution
The fourth proportional to 11,793,176.21, 17,689,863.31 and 3,274,177.01 is: 4,911,292.99
Step by Step Solution
- Step 1: Write the proportion equation
11,793,176.21 : 17,689,863.31 = 3,274,177.01 : x - Step 2: Convert to fraction form
11,793,176.21/17,689,863.31 = 3,274,177.01/x - Step 3: Cross multiply
11,793,176.21x = 17,689,863.31 × 3,274,177.01 - Step 4: Simplify right side
11,793,176.21x = 57,919,743,663,009.74 - Step 5: Solve for x
x = 57,919,743,663,009.74/11,793,176.21 - Step 6: Final answer
x = 4,911,292.99
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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.