Finding the Fourth Proportional to 7,729,480.60, 11,594,220.90 and 4,892,795.80
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Solution
The fourth proportional to 7,729,480.60, 11,594,220.90 and 4,892,795.80 is: 7,339,193.70
Step by Step Solution
- Step 1: Write the proportion equation
7,729,480.60 : 11,594,220.90 = 4,892,795.80 : x - Step 2: Convert to fraction form
7,729,480.60/11,594,220.90 = 4,892,795.80/x - Step 3: Cross multiply
7,729,480.60x = 11,594,220.90 × 4,892,795.80 - Step 4: Simplify right side
7,729,480.60x = 56,728,155,323,792.22 - Step 5: Solve for x
x = 56,728,155,323,792.22/7,729,480.60 - Step 6: Final answer
x = 7,339,193.70
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Double scale
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Similar ratio
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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.