Finding the Fourth Proportional to 21,354,101.70, 32,028,042.15 and 6,206,453.70
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Solution
The fourth proportional to 21,354,101.70, 32,028,042.15 and 6,206,453.70 is: 9,308,776.53
Step by Step Solution
- Step 1: Write the proportion equation
21,354,101.70 : 32,028,042.15 = 6,206,453.70 : x - Step 2: Convert to fraction form
21,354,101.70/32,028,042.15 = 6,206,453.70/x - Step 3: Cross multiply
21,354,101.70x = 32,028,042.15 × 6,206,453.70 - Step 4: Simplify right side
21,354,101.70x = 198,780,560,705,623.44 - Step 5: Solve for x
x = 198,780,560,705,623.44/21,354,101.70 - Step 6: Final answer
x = 9,308,776.53
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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.