Finding the Fourth Proportional to 8,344,860.80, 12,498,628.80 and 7,225,116.80
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Solution
The fourth proportional to 8,344,860.80, 12,498,628.80 and 7,225,116.80 is: 10,821,516.99
Step by Step Solution
- Step 1: Write the proportion equation
8,344,860.80 : 12,498,628.80 = 7,225,116.80 : x - Step 2: Convert to fraction form
8,344,860.80/12,498,628.80 = 7,225,116.80/x - Step 3: Cross multiply
8,344,860.80x = 12,498,628.80 × 7,225,116.80 - Step 4: Simplify right side
8,344,860.80x = 90,304,052,919,843.84 - Step 5: Solve for x
x = 90,304,052,919,843.84/8,344,860.80 - Step 6: Final answer
x = 10,821,516.99
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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.