Finding the Fourth Proportional to 7,028,212.05, 10,540,249.99 and 3,187,812.71
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Solution
The fourth proportional to 7,028,212.05, 10,540,249.99 and 3,187,812.71 is: 4,780,781.03
Step by Step Solution
- Step 1: Write the proportion equation
7,028,212.05 : 10,540,249.99 = 3,187,812.71 : x - Step 2: Convert to fraction form
7,028,212.05/10,540,249.99 = 3,187,812.71/x - Step 3: Cross multiply
7,028,212.05x = 10,540,249.99 × 3,187,812.71 - Step 4: Simplify right side
7,028,212.05x = 33,600,342,816,059.06 - Step 5: Solve for x
x = 33,600,342,816,059.06/7,028,212.05 - Step 6: Final answer
x = 4,780,781.03
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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.