Finding the Fourth Proportional to 18,167,389.20, 27,253,591.56 and 6,651,347.04
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Solution
The fourth proportional to 18,167,389.20, 27,253,591.56 and 6,651,347.04 is: 9,977,938.69
Step by Step Solution
- Step 1: Write the proportion equation
18,167,389.20 : 27,253,591.56 = 6,651,347.04 : x - Step 2: Convert to fraction form
18,167,389.20/27,253,591.56 = 6,651,347.04/x - Step 3: Cross multiply
18,167,389.20x = 27,253,591.56 × 6,651,347.04 - Step 4: Simplify right side
18,167,389.20x = 181,273,095,551,974.97 - Step 5: Solve for x
x = 181,273,095,551,974.97/18,167,389.20 - Step 6: Final answer
x = 9,977,938.69
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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.