Finding the Fourth Proportional to 11,451,109.19, 15,797,264.21 and 10,145,692.68
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Solution
The fourth proportional to 11,451,109.19, 15,797,264.21 and 10,145,692.68 is: 13,996,389.80
Step by Step Solution
- Step 1: Write the proportion equation
11,451,109.19 : 15,797,264.21 = 10,145,692.68 : x - Step 2: Convert to fraction form
11,451,109.19/15,797,264.21 = 10,145,692.68/x - Step 3: Cross multiply
11,451,109.19x = 15,797,264.21 × 10,145,692.68 - Step 4: Simplify right side
11,451,109.19x = 160,274,187,808,694.50 - Step 5: Solve for x
x = 160,274,187,808,694.50/11,451,109.19 - Step 6: Final answer
x = 13,996,389.80
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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.