Finding the Fourth Proportional to 18,292,604.80, 27,449,535.36 and 8,195,225.44
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Solution
The fourth proportional to 18,292,604.80, 27,449,535.36 and 8,195,225.44 is: 12,297,599.66
Step by Step Solution
- Step 1: Write the proportion equation
18,292,604.80 : 27,449,535.36 = 8,195,225.44 : x - Step 2: Convert to fraction form
18,292,604.80/27,449,535.36 = 8,195,225.44/x - Step 3: Cross multiply
18,292,604.80x = 27,449,535.36 × 8,195,225.44 - Step 4: Simplify right side
18,292,604.80x = 224,955,130,498,451.56 - Step 5: Solve for x
x = 224,955,130,498,451.56/18,292,604.80 - Step 6: Final answer
x = 12,297,599.66
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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.