Finding the Fourth Proportional to 10,232,687.21, 14,120,738.30 and 5,648,910.17
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Solution
The fourth proportional to 10,232,687.21, 14,120,738.30 and 5,648,910.17 is: 7,795,291.75
Step by Step Solution
- Step 1: Write the proportion equation
10,232,687.21 : 14,120,738.30 = 5,648,910.17 : x - Step 2: Convert to fraction form
10,232,687.21/14,120,738.30 = 5,648,910.17/x - Step 3: Cross multiply
10,232,687.21x = 14,120,738.30 × 5,648,910.17 - Step 4: Simplify right side
10,232,687.21x = 79,766,782,134,297.09 - Step 5: Solve for x
x = 79,766,782,134,297.09/10,232,687.21 - Step 6: Final answer
x = 7,795,291.75
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1.5x scale
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.