Finding the Fourth Proportional to 48,485,779.20, 66,910,766.40 and 26,459,452.80
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Solution
The fourth proportional to 48,485,779.20, 66,910,766.40 and 26,459,452.80 is: 36,514,258.30
Step by Step Solution
- Step 1: Write the proportion equation
48,485,779.20 : 66,910,766.40 = 26,459,452.80 : x - Step 2: Convert to fraction form
48,485,779.20/66,910,766.40 = 26,459,452.80/x - Step 3: Cross multiply
48,485,779.20x = 66,910,766.40 × 26,459,452.80 - Step 4: Simplify right side
48,485,779.20x = 1,770,422,265,372,626 - Step 5: Solve for x
x = 1,770,422,265,372,626/48,485,779.20 - Step 6: Final answer
x = 36,514,258.30
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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.