Finding the Fourth Proportional to 7,447,028.93, 11,172,344.18 and 2,588,634.05
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Solution
The fourth proportional to 7,447,028.93, 11,172,344.18 and 2,588,634.05 is: 3,883,577.03
Step by Step Solution
- Step 1: Write the proportion equation
7,447,028.93 : 11,172,344.18 = 2,588,634.05 : x - Step 2: Convert to fraction form
7,447,028.93/11,172,344.18 = 2,588,634.05/x - Step 3: Cross multiply
7,447,028.93x = 11,172,344.18 × 2,588,634.05 - Step 4: Simplify right side
7,447,028.93x = 28,921,110,493,862.44 - Step 5: Solve for x
x = 28,921,110,493,862.44/7,447,028.93 - Step 6: Final answer
x = 3,883,577.03
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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.