Finding the Fourth Proportional to 17,747,879.88, 26,581,021.68 and 11,270,471.88
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Solution
The fourth proportional to 17,747,879.88, 26,581,021.68 and 11,270,471.88 is: 16,879,799.70
Step by Step Solution
- Step 1: Write the proportion equation
17,747,879.88 : 26,581,021.68 = 11,270,471.88 : x - Step 2: Convert to fraction form
17,747,879.88/26,581,021.68 = 11,270,471.88/x - Step 3: Cross multiply
17,747,879.88x = 26,581,021.68 × 11,270,471.88 - Step 4: Simplify right side
17,747,879.88x = 299,580,657,386,110.38 - Step 5: Solve for x
x = 299,580,657,386,110.38/17,747,879.88 - Step 6: Final answer
x = 16,879,799.70
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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.