Finding the Fourth Proportional to 11,922,416.09, 16,453,331.18 and 6,696,343.80
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Solution
The fourth proportional to 11,922,416.09, 16,453,331.18 and 6,696,343.80 is: 9,241,177.41
Step by Step Solution
- Step 1: Write the proportion equation
11,922,416.09 : 16,453,331.18 = 6,696,343.80 : x - Step 2: Convert to fraction form
11,922,416.09/16,453,331.18 = 6,696,343.80/x - Step 3: Cross multiply
11,922,416.09x = 16,453,331.18 × 6,696,343.80 - Step 4: Simplify right side
11,922,416.09x = 110,177,162,203,057.97 - Step 5: Solve for x
x = 110,177,162,203,057.97/11,922,416.09 - Step 6: Final answer
x = 9,241,177.41
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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.