Finding the Fourth Proportional to 18,457,497.41, 25,472,833.49 and 10,198,281.65
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Solution
The fourth proportional to 18,457,497.41, 25,472,833.49 and 10,198,281.65 is: 14,074,450.32
Step by Step Solution
- Step 1: Write the proportion equation
18,457,497.41 : 25,472,833.49 = 10,198,281.65 : x - Step 2: Convert to fraction form
18,457,497.41/25,472,833.49 = 10,198,281.65/x - Step 3: Cross multiply
18,457,497.41x = 25,472,833.49 × 10,198,281.65 - Step 4: Simplify right side
18,457,497.41x = 259,779,130,252,703.97 - Step 5: Solve for x
x = 259,779,130,252,703.97/18,457,497.41 - Step 6: Final answer
x = 14,074,450.32
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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.