Finding the Fourth Proportional to 20,497,720.21, 30,746,638.65 and 5,925,825.97
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Solution
The fourth proportional to 20,497,720.21, 30,746,638.65 and 5,925,825.97 is: 8,888,755.82
Step by Step Solution
- Step 1: Write the proportion equation
20,497,720.21 : 30,746,638.65 = 5,925,825.97 : x - Step 2: Convert to fraction form
20,497,720.21/30,746,638.65 = 5,925,825.97/x - Step 3: Cross multiply
20,497,720.21x = 30,746,638.65 × 5,925,825.97 - Step 4: Simplify right side
20,497,720.21x = 182,199,229,802,375.72 - Step 5: Solve for x
x = 182,199,229,802,375.72/20,497,720.21 - Step 6: Final answer
x = 8,888,755.82
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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.