Finding the Fourth Proportional to 21,496,075, 29,664,379.36 and 11,706,682.70
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Solution
The fourth proportional to 21,496,075, 29,664,379.36 and 11,706,682.70 is: 16,155,110.95
Step by Step Solution
- Step 1: Write the proportion equation
21,496,075 : 29,664,379.36 = 11,706,682.70 : x - Step 2: Convert to fraction form
21,496,075/29,664,379.36 = 11,706,682.70/x - Step 3: Cross multiply
21,496,075x = 29,664,379.36 × 11,706,682.70 - Step 4: Simplify right side
21,496,075x = 347,271,476,659,949.06 - Step 5: Solve for x
x = 347,271,476,659,949.06/21,496,075 - Step 6: Final answer
x = 16,155,110.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.