Finding the Fourth Proportional to 18,213,820.33, 27,312,948.87 and 10,542,759.96
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Solution
The fourth proportional to 18,213,820.33, 27,312,948.87 and 10,542,759.96 is: 15,809,635.68
Step by Step Solution
- Step 1: Write the proportion equation
18,213,820.33 : 27,312,948.87 = 10,542,759.96 : x - Step 2: Convert to fraction form
18,213,820.33/27,312,948.87 = 10,542,759.96/x - Step 3: Cross multiply
18,213,820.33x = 27,312,948.87 × 10,542,759.96 - Step 4: Simplify right side
18,213,820.33x = 287,953,863,736,163.25 - Step 5: Solve for x
x = 287,953,863,736,163.25/18,213,820.33 - Step 6: Final answer
x = 15,809,635.68
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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.