Finding the Fourth Proportional to 21,562,407.65, 32,344,268.09 and 8,431,301.19
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Solution
The fourth proportional to 21,562,407.65, 32,344,268.09 and 8,431,301.19 is: 12,647,208.53
Step by Step Solution
- Step 1: Write the proportion equation
21,562,407.65 : 32,344,268.09 = 8,431,301.19 : x - Step 2: Convert to fraction form
21,562,407.65/32,344,268.09 = 8,431,301.19/x - Step 3: Cross multiply
21,562,407.65x = 32,344,268.09 × 8,431,301.19 - Step 4: Simplify right side
21,562,407.65x = 272,704,266,036,896 - Step 5: Solve for x
x = 272,704,266,036,896/21,562,407.65 - Step 6: Final answer
x = 12,647,208.53
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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.