Finding the Fourth Proportional to 38,184,246.44, 52,693,250.42 and 20,780,217.99
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Solution
The fourth proportional to 38,184,246.44, 52,693,250.42 and 20,780,217.99 is: 28,676,151.36
Step by Step Solution
- Step 1: Write the proportion equation
38,184,246.44 : 52,693,250.42 = 20,780,217.99 : x - Step 2: Convert to fraction form
38,184,246.44/52,693,250.42 = 20,780,217.99/x - Step 3: Cross multiply
38,184,246.44x = 52,693,250.42 × 20,780,217.99 - Step 4: Simplify right side
38,184,246.44x = 1,094,977,230,329,259 - Step 5: Solve for x
x = 1,094,977,230,329,259/38,184,246.44 - Step 6: Final answer
x = 28,676,151.36
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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.