Finding the Fourth Proportional to 21,782,686.05, 32,677,578.36 and 6,431,527.58
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Solution
The fourth proportional to 21,782,686.05, 32,677,578.36 and 6,431,527.58 is: 9,648,339.32
Step by Step Solution
- Step 1: Write the proportion equation
21,782,686.05 : 32,677,578.36 = 6,431,527.58 : x - Step 2: Convert to fraction form
21,782,686.05/32,677,578.36 = 6,431,527.58/x - Step 3: Cross multiply
21,782,686.05x = 32,677,578.36 × 6,431,527.58 - Step 4: Simplify right side
21,782,686.05x = 210,166,746,306,563.28 - Step 5: Solve for x
x = 210,166,746,306,563.28/21,782,686.05 - Step 6: Final answer
x = 9,648,339.32
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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.