Finding the Fourth Proportional to 19,601,402.18, 27,048,823.92 and 10,899,387.96
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Solution
The fourth proportional to 19,601,402.18, 27,048,823.92 and 10,899,387.96 is: 15,040,537.56
Step by Step Solution
- Step 1: Write the proportion equation
19,601,402.18 : 27,048,823.92 = 10,899,387.96 : x - Step 2: Convert to fraction form
19,601,402.18/27,048,823.92 = 10,899,387.96/x - Step 3: Cross multiply
19,601,402.18x = 27,048,823.92 × 10,899,387.96 - Step 4: Simplify right side
19,601,402.18x = 294,815,625,765,808.06 - Step 5: Solve for x
x = 294,815,625,765,808.06/19,601,402.18 - Step 6: Final answer
x = 15,040,537.56
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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.