Finding the Fourth Proportional to 13,802,630.97, 19,049,047.92 and 8,297,787.96
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Solution
The fourth proportional to 13,802,630.97, 19,049,047.92 and 8,297,787.96 is: 11,451,799.36
Step by Step Solution
- Step 1: Write the proportion equation
13,802,630.97 : 19,049,047.92 = 8,297,787.96 : x - Step 2: Convert to fraction form
13,802,630.97/19,049,047.92 = 8,297,787.96/x - Step 3: Cross multiply
13,802,630.97x = 19,049,047.92 × 8,297,787.96 - Step 4: Simplify right side
13,802,630.97x = 158,064,960,480,039.06 - Step 5: Solve for x
x = 158,064,960,480,039.06/13,802,630.97 - Step 6: Final answer
x = 11,451,799.36
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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.