Finding the Fourth Proportional to 11,311,758.32, 16,965,447.12 and 4,395,225.68
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Solution
The fourth proportional to 11,311,758.32, 16,965,447.12 and 4,395,225.68 is: 6,591,987.45
Step by Step Solution
- Step 1: Write the proportion equation
11,311,758.32 : 16,965,447.12 = 4,395,225.68 : x - Step 2: Convert to fraction form
11,311,758.32/16,965,447.12 = 4,395,225.68/x - Step 3: Cross multiply
11,311,758.32x = 16,965,447.12 × 4,395,225.68 - Step 4: Simplify right side
11,311,758.32x = 74,566,968,854,506.05 - Step 5: Solve for x
x = 74,566,968,854,506.05/11,311,758.32 - Step 6: Final answer
x = 6,591,987.45
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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.