Finding the Fourth Proportional to 10,434,416.80, 15,651,625.20 and 3,703,511.20
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Solution
The fourth proportional to 10,434,416.80, 15,651,625.20 and 3,703,511.20 is: 5,555,266.80
Step by Step Solution
- Step 1: Write the proportion equation
10,434,416.80 : 15,651,625.20 = 3,703,511.20 : x - Step 2: Convert to fraction form
10,434,416.80/15,651,625.20 = 3,703,511.20/x - Step 3: Cross multiply
10,434,416.80x = 15,651,625.20 × 3,703,511.20 - Step 4: Simplify right side
10,434,416.80x = 57,965,969,226,402.24 - Step 5: Solve for x
x = 57,965,969,226,402.24/10,434,416.80 - Step 6: Final answer
x = 5,555,266.80
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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.