Finding the Fourth Proportional to 29,638,330.40, 44,532,145.20 and 18,860,794.40
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Solution
The fourth proportional to 29,638,330.40, 44,532,145.20 and 18,860,794.40 is: 28,338,695.99
Step by Step Solution
- Step 1: Write the proportion equation
29,638,330.40 : 44,532,145.20 = 18,860,794.40 : x - Step 2: Convert to fraction form
29,638,330.40/44,532,145.20 = 18,860,794.40/x - Step 3: Cross multiply
29,638,330.40x = 44,532,145.20 × 18,860,794.40 - Step 4: Simplify right side
29,638,330.40x = 839,911,634,808,146.88 - Step 5: Solve for x
x = 839,911,634,808,146.88/29,638,330.40 - Step 6: Final answer
x = 28,338,695.99
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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.