Finding the Fourth Proportional to 10,179,918.20, 15,268,728.18 and 2,606,940.92
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Solution
The fourth proportional to 10,179,918.20, 15,268,728.18 and 2,606,940.92 is: 3,910,117.11
Step by Step Solution
- Step 1: Write the proportion equation
10,179,918.20 : 15,268,728.18 = 2,606,940.92 : x - Step 2: Convert to fraction form
10,179,918.20/15,268,728.18 = 2,606,940.92/x - Step 3: Cross multiply
10,179,918.20x = 15,268,728.18 × 2,606,940.92 - Step 4: Simplify right side
10,179,918.20x = 39,804,672,288,799.12 - Step 5: Solve for x
x = 39,804,672,288,799.12/10,179,918.20 - Step 6: Final answer
x = 3,910,117.11
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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.