Finding the Fourth Proportional to 7,183,232.64, 9,913,070.07 and 3,920,257.26
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Solution
The fourth proportional to 7,183,232.64, 9,913,070.07 and 3,920,257.26 is: 5,410,069.10
Step by Step Solution
- Step 1: Write the proportion equation
7,183,232.64 : 9,913,070.07 = 3,920,257.26 : x - Step 2: Convert to fraction form
7,183,232.64/9,913,070.07 = 3,920,257.26/x - Step 3: Cross multiply
7,183,232.64x = 9,913,070.07 × 3,920,257.26 - Step 4: Simplify right side
7,183,232.64x = 38,861,784,910,806.21 - Step 5: Solve for x
x = 38,861,784,910,806.21/7,183,232.64 - Step 6: Final answer
x = 5,410,069.10
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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.