Finding the Fourth Proportional to 18,431,526.08, 27,644,489.76 and 7,077,321.92
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Solution
The fourth proportional to 18,431,526.08, 27,644,489.76 and 7,077,321.92 is: 10,614,907.98
Step by Step Solution
- Step 1: Write the proportion equation
18,431,526.08 : 27,644,489.76 = 7,077,321.92 : x - Step 2: Convert to fraction form
18,431,526.08/27,644,489.76 = 7,077,321.92/x - Step 3: Cross multiply
18,431,526.08x = 27,644,489.76 × 7,077,321.92 - Step 4: Simplify right side
18,431,526.08x = 195,648,953,345,663.56 - Step 5: Solve for x
x = 195,648,953,345,663.56/18,431,526.08 - Step 6: Final answer
x = 10,614,907.98
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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.