Finding the Fourth Proportional to 18,348,737.40, 27,523,106.10 and 12,302,119.80
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Solution
The fourth proportional to 18,348,737.40, 27,523,106.10 and 12,302,119.80 is: 18,453,179.70
Step by Step Solution
- Step 1: Write the proportion equation
18,348,737.40 : 27,523,106.10 = 12,302,119.80 : x - Step 2: Convert to fraction form
18,348,737.40/27,523,106.10 = 12,302,119.80/x - Step 3: Cross multiply
18,348,737.40x = 27,523,106.10 × 12,302,119.80 - Step 4: Simplify right side
18,348,737.40x = 338,592,548,510,310.81 - Step 5: Solve for x
x = 338,592,548,510,310.81/18,348,737.40 - Step 6: Final answer
x = 18,453,179.70
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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.