Finding the Fourth Proportional to 9,311,015.70, 13,966,523.55 and 2,579,429.70
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Solution
The fourth proportional to 9,311,015.70, 13,966,523.55 and 2,579,429.70 is: 3,869,144.55
Step by Step Solution
- Step 1: Write the proportion equation
9,311,015.70 : 13,966,523.55 = 2,579,429.70 : x - Step 2: Convert to fraction form
9,311,015.70/13,966,523.55 = 2,579,429.70/x - Step 3: Cross multiply
9,311,015.70x = 13,966,523.55 × 2,579,429.70 - Step 4: Simplify right side
9,311,015.70x = 36,025,665,650,619.44 - Step 5: Solve for x
x = 36,025,665,650,619.44/9,311,015.70 - Step 6: Final answer
x = 3,869,144.55
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1.5x scale
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.