Finding the Fourth Proportional to 21,526,767.87, 32,305,282.90 and 19,468,596.49
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Solution
The fourth proportional to 21,526,767.87, 32,305,282.90 and 19,468,596.49 is: 29,216,579.16
Step by Step Solution
- Step 1: Write the proportion equation
21,526,767.87 : 32,305,282.90 = 19,468,596.49 : x - Step 2: Convert to fraction form
21,526,767.87/32,305,282.90 = 19,468,596.49/x - Step 3: Cross multiply
21,526,767.87x = 32,305,282.90 × 19,468,596.49 - Step 4: Simplify right side
21,526,767.87x = 628,938,517,437,190.38 - Step 5: Solve for x
x = 628,938,517,437,190.38/21,526,767.87 - Step 6: Final answer
x = 29,216,579.16
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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.