Finding the Fourth Proportional to 15,610,620.09, 23,415,798.78 and 12,201,773.97
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Solution
The fourth proportional to 15,610,620.09, 23,415,798.78 and 12,201,773.97 is: 18,302,558.28
Step by Step Solution
- Step 1: Write the proportion equation
15,610,620.09 : 23,415,798.78 = 12,201,773.97 : x - Step 2: Convert to fraction form
15,610,620.09/23,415,798.78 = 12,201,773.97/x - Step 3: Cross multiply
15,610,620.09x = 23,415,798.78 × 12,201,773.97 - Step 4: Simplify right side
15,610,620.09x = 285,714,284,040,561.81 - Step 5: Solve for x
x = 285,714,284,040,561.81/15,610,620.09 - Step 6: Final answer
x = 18,302,558.28
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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.