Finding the Fourth Proportional to 11,147,917.80, 15,384,095.36 and 6,187,108.09
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Solution
The fourth proportional to 11,147,917.80, 15,384,095.36 and 6,187,108.09 is: 8,538,191.84
Step by Step Solution
- Step 1: Write the proportion equation
11,147,917.80 : 15,384,095.36 = 6,187,108.09 : x - Step 2: Convert to fraction form
11,147,917.80/15,384,095.36 = 6,187,108.09/x - Step 3: Cross multiply
11,147,917.80x = 15,384,095.36 × 6,187,108.09 - Step 4: Simplify right side
11,147,917.80x = 95,183,060,828,251.92 - Step 5: Solve for x
x = 95,183,060,828,251.92/11,147,917.80 - Step 6: Final answer
x = 8,538,191.84
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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.