Finding the Fourth Proportional to 7,582,983.76, 11,373,354.37 and 2,789,552.08
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Solution
The fourth proportional to 7,582,983.76, 11,373,354.37 and 2,789,552.08 is: 4,183,915.64
Step by Step Solution
- Step 1: Write the proportion equation
7,582,983.76 : 11,373,354.37 = 2,789,552.08 : x - Step 2: Convert to fraction form
7,582,983.76/11,373,354.37 = 2,789,552.08/x - Step 3: Cross multiply
7,582,983.76x = 11,373,354.37 × 2,789,552.08 - Step 4: Simplify right side
7,582,983.76x = 31,726,564,339,410.59 - Step 5: Solve for x
x = 31,726,564,339,410.59/7,582,983.76 - Step 6: Final answer
x = 4,183,915.64
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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.