Finding the Fourth Proportional to 7,428,364.20, 10,253,268.36 and 4,374,349.92
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Solution
The fourth proportional to 7,428,364.20, 10,253,268.36 and 4,374,349.92 is: 6,037,854.69
Step by Step Solution
- Step 1: Write the proportion equation
7,428,364.20 : 10,253,268.36 = 4,374,349.92 : x - Step 2: Convert to fraction form
7,428,364.20/10,253,268.36 = 4,374,349.92/x - Step 3: Cross multiply
7,428,364.20x = 10,253,268.36 × 4,374,349.92 - Step 4: Simplify right side
7,428,364.20x = 44,851,383,630,304.53 - Step 5: Solve for x
x = 44,851,383,630,304.53/7,428,364.20 - Step 6: Final answer
x = 6,037,854.69
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1.5x scale
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.