Finding the Fourth Proportional to 7,800,547.14, 11,678,052.42 and 4,552,129.62
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Solution
The fourth proportional to 7,800,547.14, 11,678,052.42 and 4,552,129.62 is: 6,814,907.64
Step by Step Solution
- Step 1: Write the proportion equation
7,800,547.14 : 11,678,052.42 = 4,552,129.62 : x - Step 2: Convert to fraction form
7,800,547.14/11,678,052.42 = 4,552,129.62/x - Step 3: Cross multiply
7,800,547.14x = 11,678,052.42 × 4,552,129.62 - Step 4: Simplify right side
7,800,547.14x = 53,160,008,324,994.68 - Step 5: Solve for x
x = 53,160,008,324,994.68/7,800,547.14 - Step 6: Final answer
x = 6,814,907.64
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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.