Finding the Fourth Proportional to 7,922,695.62, 11,888,459.02 and 4,279,351.94
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Solution
The fourth proportional to 7,922,695.62, 11,888,459.02 and 4,279,351.94 is: 6,421,412.94
Step by Step Solution
- Step 1: Write the proportion equation
7,922,695.62 : 11,888,459.02 = 4,279,351.94 : x - Step 2: Convert to fraction form
7,922,695.62/11,888,459.02 = 4,279,351.94/x - Step 3: Cross multiply
7,922,695.62x = 11,888,459.02 × 4,279,351.94 - Step 4: Simplify right side
7,922,695.62x = 50,874,900,170,847.50 - Step 5: Solve for x
x = 50,874,900,170,847.50/7,922,695.62 - Step 6: Final answer
x = 6,421,412.94
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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.