Finding the Fourth Proportional to 18,105,525.31, 24,986,281.97 and 10,372,062.31
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Solution
The fourth proportional to 18,105,525.31, 24,986,281.97 and 10,372,062.31 is: 14,313,822.38
Step by Step Solution
- Step 1: Write the proportion equation
18,105,525.31 : 24,986,281.97 = 10,372,062.31 : x - Step 2: Convert to fraction form
18,105,525.31/24,986,281.97 = 10,372,062.31/x - Step 3: Cross multiply
18,105,525.31x = 24,986,281.97 × 10,372,062.31 - Step 4: Simplify right side
18,105,525.31x = 259,159,273,373,743.50 - Step 5: Solve for x
x = 259,159,273,373,743.50/18,105,525.31 - Step 6: Final answer
x = 14,313,822.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.