Finding the Fourth Proportional to 32,571,920.40, 48,885,436.80 and 13,416,424.80
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Solution
The fourth proportional to 32,571,920.40, 48,885,436.80 and 13,416,424.80 is: 20,135,987.64
Step by Step Solution
- Step 1: Write the proportion equation
32,571,920.40 : 48,885,436.80 = 13,416,424.80 : x - Step 2: Convert to fraction form
32,571,920.40/48,885,436.80 = 13,416,424.80/x - Step 3: Cross multiply
32,571,920.40x = 48,885,436.80 × 13,416,424.80 - Step 4: Simplify right side
32,571,920.40x = 655,867,786,642,352.62 - Step 5: Solve for x
x = 655,867,786,642,352.62/32,571,920.40 - Step 6: Final answer
x = 20,135,987.64
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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.