Finding the Fourth Proportional to 15,964,544.20, 23,949,926.70 and 6,378,291.40
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Solution
The fourth proportional to 15,964,544.20, 23,949,926.70 and 6,378,291.40 is: 9,568,679.79
Step by Step Solution
- Step 1: Write the proportion equation
15,964,544.20 : 23,949,926.70 = 6,378,291.40 : x - Step 2: Convert to fraction form
15,964,544.20/23,949,926.70 = 6,378,291.40/x - Step 3: Cross multiply
15,964,544.20x = 23,949,926.70 × 6,378,291.40 - Step 4: Simplify right side
15,964,544.20x = 152,759,611,501,240.38 - Step 5: Solve for x
x = 152,759,611,501,240.38/15,964,544.20 - Step 6: Final answer
x = 9,568,679.79
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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.