Finding the Fourth Proportional to 17,207,482.19, 25,811,108.42 and 6,972,190.97
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Solution
The fourth proportional to 17,207,482.19, 25,811,108.42 and 6,972,190.97 is: 10,458,239.91
Step by Step Solution
- Step 1: Write the proportion equation
17,207,482.19 : 25,811,108.42 = 6,972,190.97 : x - Step 2: Convert to fraction form
17,207,482.19/25,811,108.42 = 6,972,190.97/x - Step 3: Cross multiply
17,207,482.19x = 25,811,108.42 × 6,972,190.97 - Step 4: Simplify right side
17,207,482.19x = 179,959,976,887,698.47 - Step 5: Solve for x
x = 179,959,976,887,698.47/17,207,482.19 - Step 6: Final answer
x = 10,458,239.91
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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.