Finding the Fourth Proportional to 30,247,214.64, 41,729,272.83 and 18,624,621.84
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Solution
The fourth proportional to 30,247,214.64, 41,729,272.83 and 18,624,621.84 is: 25,694,660.99
Step by Step Solution
- Step 1: Write the proportion equation
30,247,214.64 : 41,729,272.83 = 18,624,621.84 : x - Step 2: Convert to fraction form
30,247,214.64/41,729,272.83 = 18,624,621.84/x - Step 3: Cross multiply
30,247,214.64x = 41,729,272.83 × 18,624,621.84 - Step 4: Simplify right side
30,247,214.64x = 777,191,926,116,936.62 - Step 5: Solve for x
x = 777,191,926,116,936.62/30,247,214.64 - Step 6: Final answer
x = 25,694,660.99
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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.