Finding the Fourth Proportional to 10,678,087.49, 14,723,953.13 and 6,804,473.09
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Solution
The fourth proportional to 10,678,087.49, 14,723,953.13 and 6,804,473.09 is: 9,382,648.62
Step by Step Solution
- Step 1: Write the proportion equation
10,678,087.49 : 14,723,953.13 = 6,804,473.09 : x - Step 2: Convert to fraction form
10,678,087.49/14,723,953.13 = 6,804,473.09/x - Step 3: Cross multiply
10,678,087.49x = 14,723,953.13 × 6,804,473.09 - Step 4: Simplify right side
10,678,087.49x = 100,188,742,794,897.69 - Step 5: Solve for x
x = 100,188,742,794,897.69/10,678,087.49 - Step 6: Final answer
x = 9,382,648.62
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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.