Finding the Fourth Proportional to 38,184,245.44, 52,693,249.04 and 20,780,216.99
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Solution
The fourth proportional to 38,184,245.44, 52,693,249.04 and 20,780,216.99 is: 28,676,149.98
Step by Step Solution
- Step 1: Write the proportion equation
38,184,245.44 : 52,693,249.04 = 20,780,216.99 : x - Step 2: Convert to fraction form
38,184,245.44/52,693,249.04 = 20,780,216.99/x - Step 3: Cross multiply
38,184,245.44x = 52,693,249.04 × 20,780,216.99 - Step 4: Simplify right side
38,184,245.44x = 1,094,977,148,867,508.88 - Step 5: Solve for x
x = 1,094,977,148,867,508.88/38,184,245.44 - Step 6: Final answer
x = 28,676,149.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.