Finding the Fourth Proportional to 7,213,219.02, 9,954,244.71 and 3,950,236.62
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Solution
The fourth proportional to 7,213,219.02, 9,954,244.71 and 3,950,236.62 is: 5,451,327.88
Step by Step Solution
- Step 1: Write the proportion equation
7,213,219.02 : 9,954,244.71 = 3,950,236.62 : x - Step 2: Convert to fraction form
7,213,219.02/9,954,244.71 = 3,950,236.62/x - Step 3: Cross multiply
7,213,219.02x = 9,954,244.71 × 3,950,236.62 - Step 4: Simplify right side
7,213,219.02x = 39,321,621,977,883.28 - Step 5: Solve for x
x = 39,321,621,977,883.28/7,213,219.02 - Step 6: Final answer
x = 5,451,327.88
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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.