Finding the Fourth Proportional to 7,115,382.18, 10,673,368.62 and 2,066,692.68
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Solution
The fourth proportional to 7,115,382.18, 10,673,368.62 and 2,066,692.68 is: 3,100,124.81
Step by Step Solution
- Step 1: Write the proportion equation
7,115,382.18 : 10,673,368.62 = 2,066,692.68 : x - Step 2: Convert to fraction form
7,115,382.18/10,673,368.62 = 2,066,692.68/x - Step 3: Cross multiply
7,115,382.18x = 10,673,368.62 × 2,066,692.68 - Step 4: Simplify right side
7,115,382.18x = 22,058,572,797,895.70 - Step 5: Solve for x
x = 22,058,572,797,895.70/7,115,382.18 - Step 6: Final answer
x = 3,100,124.81
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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.