Finding the Fourth Proportional to 11,057,617.68, 16,586,688.96 and 2,970,603.60
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Solution
The fourth proportional to 11,057,617.68, 16,586,688.96 and 2,970,603.60 is: 4,455,975.90
Step by Step Solution
- Step 1: Write the proportion equation
11,057,617.68 : 16,586,688.96 = 2,970,603.60 : x - Step 2: Convert to fraction form
11,057,617.68/16,586,688.96 = 2,970,603.60/x - Step 3: Cross multiply
11,057,617.68x = 16,586,688.96 × 2,970,603.60 - Step 4: Simplify right side
11,057,617.68x = 49,272,477,936,656.26 - Step 5: Solve for x
x = 49,272,477,936,656.26/11,057,617.68 - Step 6: Final answer
x = 4,455,975.90
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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.