Finding the Fourth Proportional to 8,304,852.80, 12,455,743.20 and 2,319,982.40
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Solution
The fourth proportional to 8,304,852.80, 12,455,743.20 and 2,319,982.40 is: 3,479,544.51
Step by Step Solution
- Step 1: Write the proportion equation
8,304,852.80 : 12,455,743.20 = 2,319,982.40 : x - Step 2: Convert to fraction form
8,304,852.80/12,455,743.20 = 2,319,982.40/x - Step 3: Cross multiply
8,304,852.80x = 12,455,743.20 × 2,319,982.40 - Step 4: Simplify right side
8,304,852.80x = 28,897,105,002,919.68 - Step 5: Solve for x
x = 28,897,105,002,919.68/8,304,852.80 - Step 6: Final answer
x = 3,479,544.51
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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.