Finding the Fourth Proportional to 11,113,310.63, 16,652,684.40 and 7,708,250.05
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Solution
The fourth proportional to 11,113,310.63, 16,652,684.40 and 7,708,250.05 is: 11,550,388.50
Step by Step Solution
- Step 1: Write the proportion equation
11,113,310.63 : 16,652,684.40 = 7,708,250.05 : x - Step 2: Convert to fraction form
11,113,310.63/16,652,684.40 = 7,708,250.05/x - Step 3: Cross multiply
11,113,310.63x = 16,652,684.40 × 7,708,250.05 - Step 4: Simplify right side
11,113,310.63x = 128,363,055,288,396.58 - Step 5: Solve for x
x = 128,363,055,288,396.58/11,113,310.63 - Step 6: Final answer
x = 11,550,388.50
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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.