Finding the Fourth Proportional to 18,213,821.34, 27,312,950.36 and 10,542,760.96
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Solution
The fourth proportional to 18,213,821.34, 27,312,950.36 and 10,542,760.96 is: 15,809,637.16
Step by Step Solution
- Step 1: Write the proportion equation
18,213,821.34 : 27,312,950.36 = 10,542,760.96 : x - Step 2: Convert to fraction form
18,213,821.34/27,312,950.36 = 10,542,760.96/x - Step 3: Cross multiply
18,213,821.34x = 27,312,950.36 × 10,542,760.96 - Step 4: Simplify right side
18,213,821.34x = 287,953,906,757,825.94 - Step 5: Solve for x
x = 287,953,906,757,825.94/18,213,821.34 - Step 6: Final answer
x = 15,809,637.16
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.