Finding the Fourth Proportional to 14,659,471.20, 21,995,305.46 and 6,457,915.70
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Solution
The fourth proportional to 14,659,471.20, 21,995,305.46 and 6,457,915.70 is: 9,689,560.17
Step by Step Solution
- Step 1: Write the proportion equation
14,659,471.20 : 21,995,305.46 = 6,457,915.70 : x - Step 2: Convert to fraction form
14,659,471.20/21,995,305.46 = 6,457,915.70/x - Step 3: Cross multiply
14,659,471.20x = 21,995,305.46 × 6,457,915.70 - Step 4: Simplify right side
14,659,471.20x = 142,043,828,314,163.62 - Step 5: Solve for x
x = 142,043,828,314,163.62/14,659,471.20 - Step 6: Final answer
x = 9,689,560.17
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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.