Finding the Fourth Proportional to 17,207,480.21, 25,811,105.47 and 6,972,188.99
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Solution
The fourth proportional to 17,207,480.21, 25,811,105.47 and 6,972,188.99 is: 10,458,236.95
Step by Step Solution
- Step 1: Write the proportion equation
17,207,480.21 : 25,811,105.47 = 6,972,188.99 : x - Step 2: Convert to fraction form
17,207,480.21/25,811,105.47 = 6,972,188.99/x - Step 3: Cross multiply
17,207,480.21x = 25,811,105.47 × 6,972,188.99 - Step 4: Simplify right side
17,207,480.21x = 179,959,905,231,176.78 - Step 5: Solve for x
x = 179,959,905,231,176.78/17,207,480.21 - Step 6: Final answer
x = 10,458,236.95
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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.