Finding the Fourth Proportional to 8,397,493.92, 12,594,374.64 and 3,539,049.12
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Solution
The fourth proportional to 8,397,493.92, 12,594,374.64 and 3,539,049.12 is: 5,307,787.17
Step by Step Solution
- Step 1: Write the proportion equation
8,397,493.92 : 12,594,374.64 = 3,539,049.12 : x - Step 2: Convert to fraction form
8,397,493.92/12,594,374.64 = 3,539,049.12/x - Step 3: Cross multiply
8,397,493.92x = 12,594,374.64 × 3,539,049.12 - Step 4: Simplify right side
8,397,493.92x = 44,572,110,486,642.32 - Step 5: Solve for x
x = 44,572,110,486,642.32/8,397,493.92 - Step 6: Final answer
x = 5,307,787.17
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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.