Finding the Fourth Proportional to 18,555,230.67, 27,804,438.67 and 7,766,657.61
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Solution
The fourth proportional to 18,555,230.67, 27,804,438.67 and 7,766,657.61 is: 11,638,095.96
Step by Step Solution
- Step 1: Write the proportion equation
18,555,230.67 : 27,804,438.67 = 7,766,657.61 : x - Step 2: Convert to fraction form
18,555,230.67/27,804,438.67 = 7,766,657.61/x - Step 3: Cross multiply
18,555,230.67x = 27,804,438.67 × 7,766,657.61 - Step 4: Simplify right side
18,555,230.67x = 215,947,555,188,133.81 - Step 5: Solve for x
x = 215,947,555,188,133.81/18,555,230.67 - Step 6: Final answer
x = 11,638,095.96
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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.