Finding the Fourth Proportional to 15,106,701.92, 20,847,251.64 and 8,231,183.97
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Solution
The fourth proportional to 15,106,701.92, 20,847,251.64 and 8,231,183.97 is: 11,359,035.51
Step by Step Solution
- Step 1: Write the proportion equation
15,106,701.92 : 20,847,251.64 = 8,231,183.97 : x - Step 2: Convert to fraction form
15,106,701.92/20,847,251.64 = 8,231,183.97/x - Step 3: Cross multiply
15,106,701.92x = 20,847,251.64 × 8,231,183.97 - Step 4: Simplify right side
15,106,701.92x = 171,597,563,517,724.22 - Step 5: Solve for x
x = 171,597,563,517,724.22/15,106,701.92 - Step 6: Final answer
x = 11,359,035.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.