Finding the Fourth Proportional to 9,486,164.53, 13,090,891.99 and 5,135,249.68
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Solution
The fourth proportional to 9,486,164.53, 13,090,891.99 and 5,135,249.68 is: 7,086,636.41
Step by Step Solution
- Step 1: Write the proportion equation
9,486,164.53 : 13,090,891.99 = 5,135,249.68 : x - Step 2: Convert to fraction form
9,486,164.53/13,090,891.99 = 5,135,249.68/x - Step 3: Cross multiply
9,486,164.53x = 13,090,891.99 × 5,135,249.68 - Step 4: Simplify right side
9,486,164.53x = 67,224,998,902,562.06 - Step 5: Solve for x
x = 67,224,998,902,562.06/9,486,164.53 - Step 6: Final answer
x = 7,086,636.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.