Finding the Fourth Proportional to 7,883,086.60, 11,824,629.90 and 2,203,301.80
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Solution
The fourth proportional to 7,883,086.60, 11,824,629.90 and 2,203,301.80 is: 3,304,952.70
Step by Step Solution
- Step 1: Write the proportion equation
7,883,086.60 : 11,824,629.90 = 2,203,301.80 : x - Step 2: Convert to fraction form
7,883,086.60/11,824,629.90 = 2,203,301.80/x - Step 3: Cross multiply
7,883,086.60x = 11,824,629.90 × 2,203,301.80 - Step 4: Simplify right side
7,883,086.60x = 26,053,228,343,003.82 - Step 5: Solve for x
x = 26,053,228,343,003.82/7,883,086.60 - Step 6: Final answer
x = 3,304,952.70
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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.