Finding the Fourth Proportional to 18,457,291.93, 25,471,330.13 and 10,197,544.17
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Solution
The fourth proportional to 18,457,291.93, 25,471,330.13 and 10,197,544.17 is: 14,072,758.62
Step by Step Solution
- Step 1: Write the proportion equation
18,457,291.93 : 25,471,330.13 = 10,197,544.17 : x - Step 2: Convert to fraction form
18,457,291.93/25,471,330.13 = 10,197,544.17/x - Step 3: Cross multiply
18,457,291.93x = 25,471,330.13 × 10,197,544.17 - Step 4: Simplify right side
18,457,291.93x = 259,745,014,069,326.84 - Step 5: Solve for x
x = 259,745,014,069,326.84/18,457,291.93 - Step 6: Final answer
x = 14,072,758.62
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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.