Finding the Fourth Proportional to 7,396,915.40, 11,088,374.70 and 4,366,608.20
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Solution
The fourth proportional to 7,396,915.40, 11,088,374.70 and 4,366,608.20 is: 6,545,780.95
Step by Step Solution
- Step 1: Write the proportion equation
7,396,915.40 : 11,088,374.70 = 4,366,608.20 : x - Step 2: Convert to fraction form
7,396,915.40/11,088,374.70 = 4,366,608.20/x - Step 3: Cross multiply
7,396,915.40x = 11,088,374.70 × 4,366,608.20 - Step 4: Simplify right side
7,396,915.40x = 48,418,587,889,692.54 - Step 5: Solve for x
x = 48,418,587,889,692.54/7,396,915.40 - Step 6: Final answer
x = 6,545,780.95
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1.5x scale
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.