Finding the Fourth Proportional to 8,814,529.80, 13,221,794.70 and 7,694,785.80
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Solution
The fourth proportional to 8,814,529.80, 13,221,794.70 and 7,694,785.80 is: 11,542,178.70
Step by Step Solution
- Step 1: Write the proportion equation
8,814,529.80 : 13,221,794.70 = 7,694,785.80 : x - Step 2: Convert to fraction form
8,814,529.80/13,221,794.70 = 7,694,785.80/x - Step 3: Cross multiply
8,814,529.80x = 13,221,794.70 × 7,694,785.80 - Step 4: Simplify right side
8,814,529.80x = 101,738,878,108,075.25 - Step 5: Solve for x
x = 101,738,878,108,075.25/8,814,529.80 - Step 6: Final answer
x = 11,542,178.70
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1.5x scale
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.