Finding the Fourth Proportional to 12,260,963.49, 18,391,434.09 and 5,782,527.60
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Solution
The fourth proportional to 12,260,963.49, 18,391,434.09 and 5,782,527.60 is: 8,673,786.14
Step by Step Solution
- Step 1: Write the proportion equation
12,260,963.49 : 18,391,434.09 = 5,782,527.60 : x - Step 2: Convert to fraction form
12,260,963.49/18,391,434.09 = 5,782,527.60/x - Step 3: Cross multiply
12,260,963.49x = 18,391,434.09 × 5,782,527.60 - Step 4: Simplify right side
12,260,963.49x = 106,348,975,229,005.88 - Step 5: Solve for x
x = 106,348,975,229,005.88/12,260,963.49 - Step 6: Final answer
x = 8,673,786.14
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1.5x scale
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.