Finding the Fourth Proportional to 21,496,070.99, 29,664,373.84 and 11,706,678.70
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Solution
The fourth proportional to 21,496,070.99, 29,664,373.84 and 11,706,678.70 is: 16,155,105.43
Step by Step Solution
- Step 1: Write the proportion equation
21,496,070.99 : 29,664,373.84 = 11,706,678.70 : x - Step 2: Convert to fraction form
21,496,070.99/29,664,373.84 = 11,706,678.70/x - Step 3: Cross multiply
21,496,070.99x = 29,664,373.84 × 11,706,678.70 - Step 4: Simplify right side
21,496,070.99x = 347,271,293,278,137.56 - Step 5: Solve for x
x = 347,271,293,278,137.56/21,496,070.99 - Step 6: Final answer
x = 16,155,105.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.