Finding the Fourth Proportional to 21,567,545.12, 32,351,603.68 and 7,190,617.52
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Solution
The fourth proportional to 21,567,545.12, 32,351,603.68 and 7,190,617.52 is: 10,786,021.64
Step by Step Solution
- Step 1: Write the proportion equation
21,567,545.12 : 32,351,603.68 = 7,190,617.52 : x - Step 2: Convert to fraction form
21,567,545.12/32,351,603.68 = 7,190,617.52/x - Step 3: Cross multiply
21,567,545.12x = 32,351,603.68 × 7,190,617.52 - Step 4: Simplify right side
21,567,545.12x = 232,628,008,311,371.75 - Step 5: Solve for x
x = 232,628,008,311,371.75/21,567,545.12 - Step 6: Final answer
x = 10,786,021.64
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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.