Finding the Fourth Proportional to 11,934,955.97, 16,473,139.94 and 7,292,650.17
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Solution
The fourth proportional to 11,934,955.97, 16,473,139.94 and 7,292,650.17 is: 10,065,629.66
Step by Step Solution
- Step 1: Write the proportion equation
11,934,955.97 : 16,473,139.94 = 7,292,650.17 : x - Step 2: Convert to fraction form
11,934,955.97/16,473,139.94 = 7,292,650.17/x - Step 3: Cross multiply
11,934,955.97x = 16,473,139.94 × 7,292,650.17 - Step 4: Simplify right side
11,934,955.97x = 120,132,846,783,874.78 - Step 5: Solve for x
x = 120,132,846,783,874.78/11,934,955.97 - Step 6: Final answer
x = 10,065,629.66
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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.