Finding the Fourth Proportional to 27,623,083.09, 38,119,021.17 and 15,233,170.81
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Solution
The fourth proportional to 27,623,083.09, 38,119,021.17 and 15,233,170.81 is: 21,021,316.07
Step by Step Solution
- Step 1: Write the proportion equation
27,623,083.09 : 38,119,021.17 = 15,233,170.81 : x - Step 2: Convert to fraction form
27,623,083.09/38,119,021.17 = 15,233,170.81/x - Step 3: Cross multiply
27,623,083.09x = 38,119,021.17 × 15,233,170.81 - Step 4: Simplify right side
27,623,083.09x = 580,673,560,592,616.12 - Step 5: Solve for x
x = 580,673,560,592,616.12/27,623,083.09 - Step 6: Final answer
x = 21,021,316.07
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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.