Finding the Fourth Proportional to 32,448,009.40, 48,672,014.10 and 19,682,927.80
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Solution
The fourth proportional to 32,448,009.40, 48,672,014.10 and 19,682,927.80 is: 29,524,391.70
Step by Step Solution
- Step 1: Write the proportion equation
32,448,009.40 : 48,672,014.10 = 19,682,927.80 : x - Step 2: Convert to fraction form
32,448,009.40/48,672,014.10 = 19,682,927.80/x - Step 3: Cross multiply
32,448,009.40x = 48,672,014.10 × 19,682,927.80 - Step 4: Simplify right side
32,448,009.40x = 958,007,739,410,882 - Step 5: Solve for x
x = 958,007,739,410,882/32,448,009.40 - Step 6: Final answer
x = 29,524,391.70
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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.