Finding the Fourth Proportional to 10,457,624.76, 14,431,207.74 and 5,811,394.20
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Solution
The fourth proportional to 10,457,624.76, 14,431,207.74 and 5,811,394.20 is: 8,019,549.27
Step by Step Solution
- Step 1: Write the proportion equation
10,457,624.76 : 14,431,207.74 = 5,811,394.20 : x - Step 2: Convert to fraction form
10,457,624.76/14,431,207.74 = 5,811,394.20/x - Step 3: Cross multiply
10,457,624.76x = 14,431,207.74 × 5,811,394.20 - Step 4: Simplify right side
10,457,624.76x = 83,865,436,959,231.11 - Step 5: Solve for x
x = 83,865,436,959,231.11/10,457,624.76 - Step 6: Final answer
x = 8,019,549.27
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Double scale
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1.5x scale
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.