Finding the Fourth Proportional to 11,391,519.77, 17,088,317.88 and 3,713,193.75
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Solution
The fourth proportional to 11,391,519.77, 17,088,317.88 and 3,713,193.75 is: 5,570,129.05
Step by Step Solution
- Step 1: Write the proportion equation
11,391,519.77 : 17,088,317.88 = 3,713,193.75 : x - Step 2: Convert to fraction form
11,391,519.77/17,088,317.88 = 3,713,193.75/x - Step 3: Cross multiply
11,391,519.77x = 17,088,317.88 × 3,713,193.75 - Step 4: Simplify right side
11,391,519.77x = 63,452,235,150,029.25 - Step 5: Solve for x
x = 63,452,235,150,029.25/11,391,519.77 - Step 6: Final answer
x = 5,570,129.05
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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.