Finding the Fourth Proportional to 7,769,504.21, 11,652,267.72 and 2,303,320.80
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Solution
The fourth proportional to 7,769,504.21, 11,652,267.72 and 2,303,320.80 is: 3,454,391.67
Step by Step Solution
- Step 1: Write the proportion equation
7,769,504.21 : 11,652,267.72 = 2,303,320.80 : x - Step 2: Convert to fraction form
7,769,504.21/11,652,267.72 = 2,303,320.80/x - Step 3: Cross multiply
7,769,504.21x = 11,652,267.72 × 2,303,320.80 - Step 4: Simplify right side
7,769,504.21x = 26,838,910,606,644.57 - Step 5: Solve for x
x = 26,838,910,606,644.57/7,769,504.21 - Step 6: Final answer
x = 3,454,391.67
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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.