Finding the Fourth Proportional to 13,965,299.97, 19,271,811.36 and 8,085,181.92
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Solution
The fourth proportional to 13,965,299.97, 19,271,811.36 and 8,085,181.92 is: 11,157,375.86
Step by Step Solution
- Step 1: Write the proportion equation
13,965,299.97 : 19,271,811.36 = 8,085,181.92 : x - Step 2: Convert to fraction form
13,965,299.97/19,271,811.36 = 8,085,181.92/x - Step 3: Cross multiply
13,965,299.97x = 19,271,811.36 × 8,085,181.92 - Step 4: Simplify right side
13,965,299.97x = 155,816,100,773,522.59 - Step 5: Solve for x
x = 155,816,100,773,522.59/13,965,299.97 - Step 6: Final answer
x = 11,157,375.86
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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.