Finding the Fourth Proportional to 7,378,095.06, 10,181,789.24 and 4,115,121.17
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Solution
The fourth proportional to 7,378,095.06, 10,181,789.24 and 4,115,121.17 is: 5,678,877.28
Step by Step Solution
- Step 1: Write the proportion equation
7,378,095.06 : 10,181,789.24 = 4,115,121.17 : x - Step 2: Convert to fraction form
7,378,095.06/10,181,789.24 = 4,115,121.17/x - Step 3: Cross multiply
7,378,095.06x = 10,181,789.24 × 4,115,121.17 - Step 4: Simplify right side
7,378,095.06x = 41,899,296,378,517.66 - Step 5: Solve for x
x = 41,899,296,378,517.66/7,378,095.06 - Step 6: Final answer
x = 5,678,877.28
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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.