Finding the Fourth Proportional to 11,240,132.20, 15,511,758.57 and 6,888,378.11
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Solution
The fourth proportional to 11,240,132.20, 15,511,758.57 and 6,888,378.11 is: 9,506,192.30
Step by Step Solution
- Step 1: Write the proportion equation
11,240,132.20 : 15,511,758.57 = 6,888,378.11 : x - Step 2: Convert to fraction form
11,240,132.20/15,511,758.57 = 6,888,378.11/x - Step 3: Cross multiply
11,240,132.20x = 15,511,758.57 × 6,888,378.11 - Step 4: Simplify right side
11,240,132.20x = 106,850,858,103,634.12 - Step 5: Solve for x
x = 106,850,858,103,634.12/11,240,132.20 - Step 6: Final answer
x = 9,506,192.30
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1.5x scale
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.