Finding the Fourth Proportional to 18,296,202.87, 27,452,685.19 and 7,924,594.18
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Solution
The fourth proportional to 18,296,202.87, 27,452,685.19 and 7,924,594.18 is: 11,890,521.26
Step by Step Solution
- Step 1: Write the proportion equation
18,296,202.87 : 27,452,685.19 = 7,924,594.18 : x - Step 2: Convert to fraction form
18,296,202.87/27,452,685.19 = 7,924,594.18/x - Step 3: Cross multiply
18,296,202.87x = 27,452,685.19 × 7,924,594.18 - Step 4: Simplify right side
18,296,202.87x = 217,551,389,144,782.78 - Step 5: Solve for x
x = 217,551,389,144,782.78/18,296,202.87 - Step 6: Final answer
x = 11,890,521.26
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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.