Finding the Fourth Proportional to 10,647,995.62, 15,974,686.50 and 2,971,639.12
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Solution
The fourth proportional to 10,647,995.62, 15,974,686.50 and 2,971,639.12 is: 4,458,210.26
Step by Step Solution
- Step 1: Write the proportion equation
10,647,995.62 : 15,974,686.50 = 2,971,639.12 : x - Step 2: Convert to fraction form
10,647,995.62/15,974,686.50 = 2,971,639.12/x - Step 3: Cross multiply
10,647,995.62x = 15,974,686.50 × 2,971,639.12 - Step 4: Simplify right side
10,647,995.62x = 47,471,003,333,135.88 - Step 5: Solve for x
x = 47,471,003,333,135.88/10,647,995.62 - Step 6: Final answer
x = 4,458,210.26
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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.