Finding the Fourth Proportional to 7,990,040.18, 11,026,371.84 and 4,505,546.36
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Solution
The fourth proportional to 7,990,040.18, 11,026,371.84 and 4,505,546.36 is: 6,217,719.61
Step by Step Solution
- Step 1: Write the proportion equation
7,990,040.18 : 11,026,371.84 = 4,505,546.36 : x - Step 2: Convert to fraction form
7,990,040.18/11,026,371.84 = 4,505,546.36/x - Step 3: Cross multiply
7,990,040.18x = 11,026,371.84 × 4,505,546.36 - Step 4: Simplify right side
7,990,040.18x = 49,679,829,452,586.65 - Step 5: Solve for x
x = 49,679,829,452,586.65/7,990,040.18 - Step 6: Final answer
x = 6,217,719.61
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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.