Finding the Fourth Proportional to 10,324,995.09, 14,248,838.43 and 5,678,976.03
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Solution
The fourth proportional to 10,324,995.09, 14,248,838.43 and 5,678,976.03 is: 7,837,176.79
Step by Step Solution
- Step 1: Write the proportion equation
10,324,995.09 : 14,248,838.43 = 5,678,976.03 : x - Step 2: Convert to fraction form
10,324,995.09/14,248,838.43 = 5,678,976.03/x - Step 3: Cross multiply
10,324,995.09x = 14,248,838.43 × 5,678,976.03 - Step 4: Simplify right side
10,324,995.09x = 80,918,811,899,312.83 - Step 5: Solve for x
x = 80,918,811,899,312.83/10,324,995.09 - Step 6: Final answer
x = 7,837,176.79
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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.