Finding the Fourth Proportional to 27,133,176.96, 37,445,872.32 and 15,534,391.68
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Solution
The fourth proportional to 27,133,176.96, 37,445,872.32 and 15,534,391.68 is: 21,438,656.01
Step by Step Solution
- Step 1: Write the proportion equation
27,133,176.96 : 37,445,872.32 = 15,534,391.68 : x - Step 2: Convert to fraction form
27,133,176.96/37,445,872.32 = 15,534,391.68/x - Step 3: Cross multiply
27,133,176.96x = 37,445,872.32 × 15,534,391.68 - Step 4: Simplify right side
27,133,176.96x = 581,698,847,418,150.25 - Step 5: Solve for x
x = 581,698,847,418,150.25/27,133,176.96 - Step 6: Final answer
x = 21,438,656.01
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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.