Finding the Fourth Proportional to 14,020,201.70, 19,656,625.90 and 14,020,201.70
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Solution
The fourth proportional to 14,020,201.70, 19,656,625.90 and 14,020,201.70 is: 19,656,625.90
Step by Step Solution
- Step 1: Write the proportion equation
14,020,201.70 : 19,656,625.90 = 14,020,201.70 : x - Step 2: Convert to fraction form
14,020,201.70/19,656,625.90 = 14,020,201.70/x - Step 3: Cross multiply
14,020,201.70x = 19,656,625.90 × 14,020,201.70 - Step 4: Simplify right side
14,020,201.70x = 275,589,859,859,444 - Step 5: Solve for x
x = 275,589,859,859,444/14,020,201.70 - Step 6: Final answer
x = 19,656,625.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.