Finding the Fourth Proportional to 16,492,765.40, 24,748,795.20 and 6,907,338.80
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Solution
The fourth proportional to 16,492,765.40, 24,748,795.20 and 6,907,338.80 is: 10,365,048.50
Step by Step Solution
- Step 1: Write the proportion equation
16,492,765.40 : 24,748,795.20 = 6,907,338.80 : x - Step 2: Convert to fraction form
16,492,765.40/24,748,795.20 = 6,907,338.80/x - Step 3: Cross multiply
16,492,765.40x = 24,748,795.20 × 6,907,338.80 - Step 4: Simplify right side
16,492,765.40x = 170,948,313,338,213.75 - Step 5: Solve for x
x = 170,948,313,338,213.75/16,492,765.40 - Step 6: Final answer
x = 10,365,048.50
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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.