Finding the Fourth Proportional to 18,451,292.08, 27,679,579.50 and 5,672,869.72
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Solution
The fourth proportional to 18,451,292.08, 27,679,579.50 and 5,672,869.72 is: 8,510,116.68
Step by Step Solution
- Step 1: Write the proportion equation
18,451,292.08 : 27,679,579.50 = 5,672,869.72 : x - Step 2: Convert to fraction form
18,451,292.08/27,679,579.50 = 5,672,869.72/x - Step 3: Cross multiply
18,451,292.08x = 27,679,579.50 × 5,672,869.72 - Step 4: Simplify right side
18,451,292.08x = 157,022,648,407,882.72 - Step 5: Solve for x
x = 157,022,648,407,882.72/18,451,292.08 - Step 6: Final answer
x = 8,510,116.68
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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.