Finding the Fourth Proportional to 27,853,506.79, 38,437,090.62 and 16,696,302.03
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Solution
The fourth proportional to 27,853,506.79, 38,437,090.62 and 16,696,302.03 is: 23,040,447.98
Step by Step Solution
- Step 1: Write the proportion equation
27,853,506.79 : 38,437,090.62 = 16,696,302.03 : x - Step 2: Convert to fraction form
27,853,506.79/38,437,090.62 = 16,696,302.03/x - Step 3: Cross multiply
27,853,506.79x = 38,437,090.62 × 16,696,302.03 - Step 4: Simplify right side
27,853,506.79x = 641,757,274,145,999.88 - Step 5: Solve for x
x = 641,757,274,145,999.88/27,853,506.79 - Step 6: Final answer
x = 23,040,447.98
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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.