Finding the Fourth Proportional to 7,844,721.04, 11,767,757.68 and 2,164,945.36
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Solution
The fourth proportional to 7,844,721.04, 11,767,757.68 and 2,164,945.36 is: 3,247,604.63
Step by Step Solution
- Step 1: Write the proportion equation
7,844,721.04 : 11,767,757.68 = 2,164,945.36 : x - Step 2: Convert to fraction form
7,844,721.04/11,767,757.68 = 2,164,945.36/x - Step 3: Cross multiply
7,844,721.04x = 11,767,757.68 × 2,164,945.36 - Step 4: Simplify right side
7,844,721.04x = 25,476,552,386,920.36 - Step 5: Solve for x
x = 25,476,552,386,920.36/7,844,721.04 - Step 6: Final answer
x = 3,247,604.63
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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.