Finding the Fourth Proportional to 11,680,960.40, 16,119,553.80 and 6,524,397.20
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Solution
The fourth proportional to 11,680,960.40, 16,119,553.80 and 6,524,397.20 is: 9,003,572.32
Step by Step Solution
- Step 1: Write the proportion equation
11,680,960.40 : 16,119,553.80 = 6,524,397.20 : x - Step 2: Convert to fraction form
11,680,960.40/16,119,553.80 = 6,524,397.20/x - Step 3: Cross multiply
11,680,960.40x = 16,119,553.80 × 6,524,397.20 - Step 4: Simplify right side
11,680,960.40x = 105,170,371,677,969.38 - Step 5: Solve for x
x = 105,170,371,677,969.38/11,680,960.40 - Step 6: Final answer
x = 9,003,572.32
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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.