Finding the Fourth Proportional to 29,578,967.20, 44,368,450.80 and 10,431,344.80
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Solution
The fourth proportional to 29,578,967.20, 44,368,450.80 and 10,431,344.80 is: 15,647,017.20
Step by Step Solution
- Step 1: Write the proportion equation
29,578,967.20 : 44,368,450.80 = 10,431,344.80 : x - Step 2: Convert to fraction form
29,578,967.20/44,368,450.80 = 10,431,344.80/x - Step 3: Cross multiply
29,578,967.20x = 44,368,450.80 × 10,431,344.80 - Step 4: Simplify right side
29,578,967.20x = 462,822,608,536,635.81 - Step 5: Solve for x
x = 462,822,608,536,635.81/29,578,967.20 - Step 6: Final answer
x = 15,647,017.20
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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.