Finding the Fourth Proportional to 27,312,765.98, 37,691,177.09 and 14,922,593.28
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Solution
The fourth proportional to 27,312,765.98, 37,691,177.09 and 14,922,593.28 is: 20,592,938.35
Step by Step Solution
- Step 1: Write the proportion equation
27,312,765.98 : 37,691,177.09 = 14,922,593.28 : x - Step 2: Convert to fraction form
27,312,765.98/37,691,177.09 = 14,922,593.28/x - Step 3: Cross multiply
27,312,765.98x = 37,691,177.09 × 14,922,593.28 - Step 4: Simplify right side
27,312,765.98x = 562,450,105,883,911 - Step 5: Solve for x
x = 562,450,105,883,911/27,312,765.98 - Step 6: Final answer
x = 20,592,938.35
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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.