Finding the Fourth Proportional to 10,945,817.80, 16,420,281.90 and 3,371,993.80
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Solution
The fourth proportional to 10,945,817.80, 16,420,281.90 and 3,371,993.80 is: 5,058,469.80
Step by Step Solution
- Step 1: Write the proportion equation
10,945,817.80 : 16,420,281.90 = 3,371,993.80 : x - Step 2: Convert to fraction form
10,945,817.80/16,420,281.90 = 3,371,993.80/x - Step 3: Cross multiply
10,945,817.80x = 16,420,281.90 × 3,371,993.80 - Step 4: Simplify right side
10,945,817.80x = 55,369,088,761,052.22 - Step 5: Solve for x
x = 55,369,088,761,052.22/10,945,817.80 - Step 6: Final answer
x = 5,058,469.80
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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.