Finding the Fourth Proportional to 24,476,786.40, 36,743,464.80 and 13,139,378.40
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Solution
The fourth proportional to 24,476,786.40, 36,743,464.80 and 13,139,378.40 is: 19,724,251.37
Step by Step Solution
- Step 1: Write the proportion equation
24,476,786.40 : 36,743,464.80 = 13,139,378.40 : x - Step 2: Convert to fraction form
24,476,786.40/36,743,464.80 = 13,139,378.40/x - Step 3: Cross multiply
24,476,786.40x = 36,743,464.80 × 13,139,378.40 - Step 4: Simplify right side
24,476,786.40x = 482,786,287,734,280.31 - Step 5: Solve for x
x = 482,786,287,734,280.31/24,476,786.40 - Step 6: Final answer
x = 19,724,251.37
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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.