Finding the Fourth Proportional to 19,383,112.91, 29,074,564.69 and 11,180,438.63
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Solution
The fourth proportional to 19,383,112.91, 29,074,564.69 and 11,180,438.63 is: 16,770,597.56
Step by Step Solution
- Step 1: Write the proportion equation
19,383,112.91 : 29,074,564.69 = 11,180,438.63 : x - Step 2: Convert to fraction form
19,383,112.91/29,074,564.69 = 11,180,438.63/x - Step 3: Cross multiply
19,383,112.91x = 29,074,564.69 × 11,180,438.63 - Step 4: Simplify right side
19,383,112.91x = 325,066,386,009,234.94 - Step 5: Solve for x
x = 325,066,386,009,234.94/19,383,112.91 - Step 6: Final answer
x = 16,770,597.56
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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.