Finding the Fourth Proportional to 7,853,758.40, 11,773,725.60 and 5,321,201.60
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Solution
The fourth proportional to 7,853,758.40, 11,773,725.60 and 5,321,201.60 is: 7,977,119.27
Step by Step Solution
- Step 1: Write the proportion equation
7,853,758.40 : 11,773,725.60 = 5,321,201.60 : x - Step 2: Convert to fraction form
7,853,758.40/11,773,725.60 = 5,321,201.60/x - Step 3: Cross multiply
7,853,758.40x = 11,773,725.60 × 5,321,201.60 - Step 4: Simplify right side
7,853,758.40x = 62,650,367,500,680.95 - Step 5: Solve for x
x = 62,650,367,500,680.95/7,853,758.40 - Step 6: Final answer
x = 7,977,119.27
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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.