Finding the Fourth Proportional to 18,163,194.13, 27,217,876.57 and 14,947,581.62
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Solution
The fourth proportional to 18,163,194.13, 27,217,876.57 and 14,947,581.62 is: 22,399,222.77
Step by Step Solution
- Step 1: Write the proportion equation
18,163,194.13 : 27,217,876.57 = 14,947,581.62 : x - Step 2: Convert to fraction form
18,163,194.13/27,217,876.57 = 14,947,581.62/x - Step 3: Cross multiply
18,163,194.13x = 27,217,876.57 × 14,947,581.62 - Step 4: Simplify right side
18,163,194.13x = 406,841,431,507,299.69 - Step 5: Solve for x
x = 406,841,431,507,299.69/18,163,194.13 - Step 6: Final answer
x = 22,399,222.77
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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.