Finding the Fourth Proportional to 16,355,217.60, 24,532,607.70 and 4,995,720.90
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Solution
The fourth proportional to 16,355,217.60, 24,532,607.70 and 4,995,720.90 is: 7,493,514.55
Step by Step Solution
- Step 1: Write the proportion equation
16,355,217.60 : 24,532,607.70 = 4,995,720.90 : x - Step 2: Convert to fraction form
16,355,217.60/24,532,607.70 = 4,995,720.90/x - Step 3: Cross multiply
16,355,217.60x = 24,532,607.70 × 4,995,720.90 - Step 4: Simplify right side
16,355,217.60x = 122,558,061,018,390.94 - Step 5: Solve for x
x = 122,558,061,018,390.94/16,355,217.60 - Step 6: Final answer
x = 7,493,514.55
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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.