Finding the Fourth Proportional to 7,918,261.26, 11,873,062.02 and 6,287,414.55
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Solution
The fourth proportional to 7,918,261.26, 11,873,062.02 and 6,287,414.55 is: 9,427,683.74
Step by Step Solution
- Step 1: Write the proportion equation
7,918,261.26 : 11,873,062.02 = 6,287,414.55 : x - Step 2: Convert to fraction form
7,918,261.26/11,873,062.02 = 6,287,414.55/x - Step 3: Cross multiply
7,918,261.26x = 11,873,062.02 × 6,287,414.55 - Step 4: Simplify right side
7,918,261.26x = 74,650,862,923,001.61 - Step 5: Solve for x
x = 74,650,862,923,001.61/7,918,261.26 - Step 6: Final answer
x = 9,427,683.74
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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.