Finding the Fourth Proportional to 7,509,661.62, 11,260,765.80 and 2,391,424.50
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Solution
The fourth proportional to 7,509,661.62, 11,260,765.80 and 2,391,424.50 is: 3,585,950.02
Step by Step Solution
- Step 1: Write the proportion equation
7,509,661.62 : 11,260,765.80 = 2,391,424.50 : x - Step 2: Convert to fraction form
7,509,661.62/11,260,765.80 = 2,391,424.50/x - Step 3: Cross multiply
7,509,661.62x = 11,260,765.80 × 2,391,424.50 - Step 4: Simplify right side
7,509,661.62x = 26,929,271,222,882.10 - Step 5: Solve for x
x = 26,929,271,222,882.10/7,509,661.62 - Step 6: Final answer
x = 3,585,950.02
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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.