Finding the Fourth Proportional to 7,526,278.13, 10,385,382.68 and 4,428,120.09
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Solution
The fourth proportional to 7,526,278.13, 10,385,382.68 and 4,428,120.09 is: 6,110,287.30
Step by Step Solution
- Step 1: Write the proportion equation
7,526,278.13 : 10,385,382.68 = 4,428,120.09 : x - Step 2: Convert to fraction form
7,526,278.13/10,385,382.68 = 4,428,120.09/x - Step 3: Cross multiply
7,526,278.13x = 10,385,382.68 × 4,428,120.09 - Step 4: Simplify right side
7,526,278.13x = 45,987,721,635,577.03 - Step 5: Solve for x
x = 45,987,721,635,577.03/7,526,278.13 - Step 6: Final answer
x = 6,110,287.30
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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.