Finding the Fourth Proportional to 17,835,163.20, 26,752,744.80 and 4,371,991.20
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Solution
The fourth proportional to 17,835,163.20, 26,752,744.80 and 4,371,991.20 is: 6,557,986.80
Step by Step Solution
- Step 1: Write the proportion equation
17,835,163.20 : 26,752,744.80 = 4,371,991.20 : x - Step 2: Convert to fraction form
17,835,163.20/26,752,744.80 = 4,371,991.20/x - Step 3: Cross multiply
17,835,163.20x = 26,752,744.80 × 4,371,991.20 - Step 4: Simplify right side
17,835,163.20x = 116,962,764,841,445.77 - Step 5: Solve for x
x = 116,962,764,841,445.77/17,835,163.20 - Step 6: Final answer
x = 6,557,986.80
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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.