Finding the Fourth Proportional to 27,115,464.89, 37,430,792.99 and 18,306,849.29
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Solution
The fourth proportional to 27,115,464.89, 37,430,792.99 and 18,306,849.29 is: 25,271,183.38
Step by Step Solution
- Step 1: Write the proportion equation
27,115,464.89 : 37,430,792.99 = 18,306,849.29 : x - Step 2: Convert to fraction form
27,115,464.89/37,430,792.99 = 18,306,849.29/x - Step 3: Cross multiply
27,115,464.89x = 37,430,792.99 × 18,306,849.29 - Step 4: Simplify right side
27,115,464.89x = 685,239,885,863,081 - Step 5: Solve for x
x = 685,239,885,863,081/27,115,464.89 - Step 6: Final answer
x = 25,271,183.38
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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.