Finding the Fourth Proportional to 7,873,816.09, 10,865,866.36 and 4,252,144.09
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Solution
The fourth proportional to 7,873,816.09, 10,865,866.36 and 4,252,144.09 is: 5,867,958.93
Step by Step Solution
- Step 1: Write the proportion equation
7,873,816.09 : 10,865,866.36 = 4,252,144.09 : x - Step 2: Convert to fraction form
7,873,816.09/10,865,866.36 = 4,252,144.09/x - Step 3: Cross multiply
7,873,816.09x = 10,865,866.36 × 4,252,144.09 - Step 4: Simplify right side
7,873,816.09x = 46,203,229,425,403.80 - Step 5: Solve for x
x = 46,203,229,425,403.80/7,873,816.09 - Step 6: Final answer
x = 5,867,958.93
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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.