Finding the Fourth Proportional to 27,117,449.33, 40,676,505.08 and 7,948,593.99
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Solution
The fourth proportional to 27,117,449.33, 40,676,505.08 and 7,948,593.99 is: 11,922,988.03
Step by Step Solution
- Step 1: Write the proportion equation
27,117,449.33 : 40,676,505.08 = 7,948,593.99 : x - Step 2: Convert to fraction form
27,117,449.33/40,676,505.08 = 7,948,593.99/x - Step 3: Cross multiply
27,117,449.33x = 40,676,505.08 × 7,948,593.99 - Step 4: Simplify right side
27,117,449.33x = 323,321,023,773,349.56 - Step 5: Solve for x
x = 323,321,023,773,349.56/27,117,449.33 - Step 6: Final answer
x = 11,922,988.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.