Finding the Fourth Proportional to 27,661,729.40, 41,492,594.10 and 8,492,455.70
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Solution
The fourth proportional to 27,661,729.40, 41,492,594.10 and 8,492,455.70 is: 12,738,683.55
Step by Step Solution
- Step 1: Write the proportion equation
27,661,729.40 : 41,492,594.10 = 8,492,455.70 : x - Step 2: Convert to fraction form
27,661,729.40/41,492,594.10 = 8,492,455.70/x - Step 3: Cross multiply
27,661,729.40x = 41,492,594.10 × 8,492,455.70 - Step 4: Simplify right side
27,661,729.40x = 352,374,017,272,331.38 - Step 5: Solve for x
x = 352,374,017,272,331.38/27,661,729.40 - Step 6: Final answer
x = 12,738,683.55
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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.