Finding the Fourth Proportional to 11,782,712.41, 16,259,735.27 and 6,483,913.49
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Solution
The fourth proportional to 11,782,712.41, 16,259,735.27 and 6,483,913.49 is: 8,947,576.18
Step by Step Solution
- Step 1: Write the proportion equation
11,782,712.41 : 16,259,735.27 = 6,483,913.49 : x - Step 2: Convert to fraction form
11,782,712.41/16,259,735.27 = 6,483,913.49/x - Step 3: Cross multiply
11,782,712.41x = 16,259,735.27 × 6,483,913.49 - Step 4: Simplify right side
11,782,712.41x = 105,426,716,917,840.92 - Step 5: Solve for x
x = 105,426,716,917,840.92/11,782,712.41 - Step 6: Final answer
x = 8,947,576.18
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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.