Finding the Fourth Proportional to 18,372,382.88, 27,562,557.08 and 5,592,553.61
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Solution
The fourth proportional to 18,372,382.88, 27,562,557.08 and 5,592,553.61 is: 8,390,042.76
Step by Step Solution
- Step 1: Write the proportion equation
18,372,382.88 : 27,562,557.08 = 5,592,553.61 : x - Step 2: Convert to fraction form
18,372,382.88/27,562,557.08 = 5,592,553.61/x - Step 3: Cross multiply
18,372,382.88x = 27,562,557.08 × 5,592,553.61 - Step 4: Simplify right side
18,372,382.88x = 154,145,077,974,753.66 - Step 5: Solve for x
x = 154,145,077,974,753.66/18,372,382.88 - Step 6: Final answer
x = 8,390,042.76
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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.