Finding the Fourth Proportional to 27,126,129.40, 40,689,194.10 and 16,355,591.80
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Solution
The fourth proportional to 27,126,129.40, 40,689,194.10 and 16,355,591.80 is: 24,533,387.70
Step by Step Solution
- Step 1: Write the proportion equation
27,126,129.40 : 40,689,194.10 = 16,355,591.80 : x - Step 2: Convert to fraction form
27,126,129.40/40,689,194.10 = 16,355,591.80/x - Step 3: Cross multiply
27,126,129.40x = 40,689,194.10 × 16,355,591.80 - Step 4: Simplify right side
27,126,129.40x = 665,495,849,370,568.38 - Step 5: Solve for x
x = 665,495,849,370,568.38/27,126,129.40 - Step 6: Final answer
x = 24,533,387.70
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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.