Finding the Fourth Proportional to 18,134,073.75, 27,204,700.41 and 5,180,336.22
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Solution
The fourth proportional to 18,134,073.75, 27,204,700.41 and 5,180,336.22 is: 7,771,529.82
Step by Step Solution
- Step 1: Write the proportion equation
18,134,073.75 : 27,204,700.41 = 5,180,336.22 : x - Step 2: Convert to fraction form
18,134,073.75/27,204,700.41 = 5,180,336.22/x - Step 3: Cross multiply
18,134,073.75x = 27,204,700.41 × 5,180,336.22 - Step 4: Simplify right side
18,134,073.75x = 140,929,494,888,171.84 - Step 5: Solve for x
x = 140,929,494,888,171.84/18,134,073.75 - Step 6: Final answer
x = 7,771,529.82
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1.5x scale
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.