Finding the Fourth Proportional to 10,661,168.19, 15,982,075.49 and 5,537,609.31
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Solution
The fourth proportional to 10,661,168.19, 15,982,075.49 and 5,537,609.31 is: 8,301,387.65
Step by Step Solution
- Step 1: Write the proportion equation
10,661,168.19 : 15,982,075.49 = 5,537,609.31 : x - Step 2: Convert to fraction form
10,661,168.19/15,982,075.49 = 5,537,609.31/x - Step 3: Cross multiply
10,661,168.19x = 15,982,075.49 × 5,537,609.31 - Step 4: Simplify right side
10,661,168.19x = 88,502,489,998,858.75 - Step 5: Solve for x
x = 88,502,489,998,858.75/10,661,168.19 - Step 6: Final answer
x = 8,301,387.65
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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.