Finding the Fourth Proportional to 18,135,029.70, 27,202,544.55 and 14,025,219.30
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Solution
The fourth proportional to 18,135,029.70, 27,202,544.55 and 14,025,219.30 is: 21,037,828.95
Step by Step Solution
- Step 1: Write the proportion equation
18,135,029.70 : 27,202,544.55 = 14,025,219.30 : x - Step 2: Convert to fraction form
18,135,029.70/27,202,544.55 = 14,025,219.30/x - Step 3: Cross multiply
18,135,029.70x = 27,202,544.55 × 14,025,219.30 - Step 4: Simplify right side
18,135,029.70x = 381,521,652,831,769.88 - Step 5: Solve for x
x = 381,521,652,831,769.88/18,135,029.70 - Step 6: Final answer
x = 21,037,828.95
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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.