Finding the Fourth Proportional to 11,836,912.51, 16,330,291.65 and 6,874,509.13
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Solution
The fourth proportional to 11,836,912.51, 16,330,291.65 and 6,874,509.13 is: 9,484,123.41
Step by Step Solution
- Step 1: Write the proportion equation
11,836,912.51 : 16,330,291.65 = 6,874,509.13 : x - Step 2: Convert to fraction form
11,836,912.51/16,330,291.65 = 6,874,509.13/x - Step 3: Cross multiply
11,836,912.51x = 16,330,291.65 × 6,874,509.13 - Step 4: Simplify right side
11,836,912.51x = 112,262,739,043,487.77 - Step 5: Solve for x
x = 112,262,739,043,487.77/11,836,912.51 - Step 6: Final answer
x = 9,484,123.41
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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.