Finding the Fourth Proportional to 10,368,008.76, 14,307,861.06 and 5,784,331.08
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Solution
The fourth proportional to 10,368,008.76, 14,307,861.06 and 5,784,331.08 is: 7,982,381.90
Step by Step Solution
- Step 1: Write the proportion equation
10,368,008.76 : 14,307,861.06 = 5,784,331.08 : x - Step 2: Convert to fraction form
10,368,008.76/14,307,861.06 = 5,784,331.08/x - Step 3: Cross multiply
10,368,008.76x = 14,307,861.06 × 5,784,331.08 - Step 4: Simplify right side
10,368,008.76x = 82,761,405,417,679.75 - Step 5: Solve for x
x = 82,761,405,417,679.75/10,368,008.76 - Step 6: Final answer
x = 7,982,381.90
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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.