Finding the Fourth Proportional to 10,116,424.36, 13,959,821.62 and 5,705,906.92
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Solution
The fourth proportional to 10,116,424.36, 13,959,821.62 and 5,705,906.92 is: 7,873,675.52
Step by Step Solution
- Step 1: Write the proportion equation
10,116,424.36 : 13,959,821.62 = 5,705,906.92 : x - Step 2: Convert to fraction form
10,116,424.36/13,959,821.62 = 5,705,906.92/x - Step 3: Cross multiply
10,116,424.36x = 13,959,821.62 × 5,705,906.92 - Step 4: Simplify right side
10,116,424.36x = 79,653,442,783,523.61 - Step 5: Solve for x
x = 79,653,442,783,523.61/10,116,424.36 - Step 6: Final answer
x = 7,873,675.52
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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.