Finding the Fourth Proportional to 14,675,290.80, 20,253,769.99 and 8,874,114.13
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Solution
The fourth proportional to 14,675,290.80, 20,253,769.99 and 8,874,114.13 is: 12,247,407.50
Step by Step Solution
- Step 1: Write the proportion equation
14,675,290.80 : 20,253,769.99 = 8,874,114.13 : x - Step 2: Convert to fraction form
14,675,290.80/20,253,769.99 = 8,874,114.13/x - Step 3: Cross multiply
14,675,290.80x = 20,253,769.99 × 8,874,114.13 - Step 4: Simplify right side
14,675,290.80x = 179,734,266,507,077.75 - Step 5: Solve for x
x = 179,734,266,507,077.75/14,675,290.80 - Step 6: Final answer
x = 12,247,407.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.