Finding the Fourth Proportional to 18,160,593.18, 27,240,988.28 and 5,381,208.60
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Solution
The fourth proportional to 18,160,593.18, 27,240,988.28 and 5,381,208.60 is: 8,071,842.09
Step by Step Solution
- Step 1: Write the proportion equation
18,160,593.18 : 27,240,988.28 = 5,381,208.60 : x - Step 2: Convert to fraction form
18,160,593.18/27,240,988.28 = 5,381,208.60/x - Step 3: Cross multiply
18,160,593.18x = 27,240,988.28 × 5,381,208.60 - Step 4: Simplify right side
18,160,593.18x = 146,589,440,404,835.22 - Step 5: Solve for x
x = 146,589,440,404,835.22/18,160,593.18 - Step 6: Final answer
x = 8,071,842.09
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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.