Finding the Fourth Proportional to 14,497,666.49, 20,006,241.70 and 7,970,907.62
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Solution
The fourth proportional to 14,497,666.49, 20,006,241.70 and 7,970,907.62 is: 10,999,556.69
Step by Step Solution
- Step 1: Write the proportion equation
14,497,666.49 : 20,006,241.70 = 7,970,907.62 : x - Step 2: Convert to fraction form
14,497,666.49/20,006,241.70 = 7,970,907.62/x - Step 3: Cross multiply
14,497,666.49x = 20,006,241.70 × 7,970,907.62 - Step 4: Simplify right side
14,497,666.49x = 159,467,904,414,091.75 - Step 5: Solve for x
x = 159,467,904,414,091.75/14,497,666.49 - Step 6: Final answer
x = 10,999,556.69
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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.