Finding the Fourth Proportional to 28,529,556.70, 39,370,788.24 and 16,306,676.14
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Solution
The fourth proportional to 28,529,556.70, 39,370,788.24 and 16,306,676.14 is: 22,503,213.07
Step by Step Solution
- Step 1: Write the proportion equation
28,529,556.70 : 39,370,788.24 = 16,306,676.14 : x - Step 2: Convert to fraction form
28,529,556.70/39,370,788.24 = 16,306,676.14/x - Step 3: Cross multiply
28,529,556.70x = 39,370,788.24 × 16,306,676.14 - Step 4: Simplify right side
28,529,556.70x = 642,006,693,206,200.62 - Step 5: Solve for x
x = 642,006,693,206,200.62/28,529,556.70 - Step 6: Final answer
x = 22,503,213.07
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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.