Finding the Fourth Proportional to 11,006,699.07, 15,190,207.29 and 6,112,877.97
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Solution
The fourth proportional to 11,006,699.07, 15,190,207.29 and 6,112,877.97 is: 8,436,306.19
Step by Step Solution
- Step 1: Write the proportion equation
11,006,699.07 : 15,190,207.29 = 6,112,877.97 : x - Step 2: Convert to fraction form
11,006,699.07/15,190,207.29 = 6,112,877.97/x - Step 3: Cross multiply
11,006,699.07x = 15,190,207.29 × 6,112,877.97 - Step 4: Simplify right side
11,006,699.07x = 92,855,883,502,774.39 - Step 5: Solve for x
x = 92,855,883,502,774.39/11,006,699.07 - Step 6: Final answer
x = 8,436,306.19
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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.