Finding the Fourth Proportional to 13,299,160.97, 19,904,786.85 and 12,104,083.02
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Solution
The fourth proportional to 13,299,160.97, 19,904,786.85 and 12,104,083.02 is: 18,116,119.74
Step by Step Solution
- Step 1: Write the proportion equation
13,299,160.97 : 19,904,786.85 = 12,104,083.02 : x - Step 2: Convert to fraction form
13,299,160.97/19,904,786.85 = 12,104,083.02/x - Step 3: Cross multiply
13,299,160.97x = 19,904,786.85 × 12,104,083.02 - Step 4: Simplify right side
13,299,160.97x = 240,929,192,527,804.28 - Step 5: Solve for x
x = 240,929,192,527,804.28/13,299,160.97 - Step 6: Final answer
x = 18,116,119.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.