Finding the Fourth Proportional to 9,914,125.26, 13,681,456.02 and 5,563,201.74
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Solution
The fourth proportional to 9,914,125.26, 13,681,456.02 and 5,563,201.74 is: 7,677,197.73
Step by Step Solution
- Step 1: Write the proportion equation
9,914,125.26 : 13,681,456.02 = 5,563,201.74 : x - Step 2: Convert to fraction form
9,914,125.26/13,681,456.02 = 5,563,201.74/x - Step 3: Cross multiply
9,914,125.26x = 13,681,456.02 × 5,563,201.74 - Step 4: Simplify right side
9,914,125.26x = 76,112,699,936,197.47 - Step 5: Solve for x
x = 76,112,699,936,197.47/9,914,125.26 - Step 6: Final answer
x = 7,677,197.73
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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.