Finding the Fourth Proportional to 14,832,278.55, 20,469,832.11 and 8,305,789.41
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Solution
The fourth proportional to 14,832,278.55, 20,469,832.11 and 8,305,789.41 is: 11,462,710.48
Step by Step Solution
- Step 1: Write the proportion equation
14,832,278.55 : 20,469,832.11 = 8,305,789.41 : x - Step 2: Convert to fraction form
14,832,278.55/20,469,832.11 = 8,305,789.41/x - Step 3: Cross multiply
14,832,278.55x = 20,469,832.11 × 8,305,789.41 - Step 4: Simplify right side
14,832,278.55x = 170,018,114,763,715.97 - Step 5: Solve for x
x = 170,018,114,763,715.97/14,832,278.55 - Step 6: Final answer
x = 11,462,710.48
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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.