Finding the Fourth Proportional to 11,644,805.80, 17,467,208.70 and 8,954,309.80
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Solution
The fourth proportional to 11,644,805.80, 17,467,208.70 and 8,954,309.80 is: 13,431,464.70
Step by Step Solution
- Step 1: Write the proportion equation
11,644,805.80 : 17,467,208.70 = 8,954,309.80 : x - Step 2: Convert to fraction form
11,644,805.80/17,467,208.70 = 8,954,309.80/x - Step 3: Cross multiply
11,644,805.80x = 17,467,208.70 × 8,954,309.80 - Step 4: Simplify right side
11,644,805.80x = 156,406,798,041,055.28 - Step 5: Solve for x
x = 156,406,798,041,055.28/11,644,805.80 - Step 6: Final answer
x = 13,431,464.70
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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.