Finding the Fourth Proportional to 13,236,282.94, 19,855,568.19 and 3,651,661.44
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Solution
The fourth proportional to 13,236,282.94, 19,855,568.19 and 3,651,661.44 is: 5,477,807.71
Step by Step Solution
- Step 1: Write the proportion equation
13,236,282.94 : 19,855,568.19 = 3,651,661.44 : x - Step 2: Convert to fraction form
13,236,282.94/19,855,568.19 = 3,651,661.44/x - Step 3: Cross multiply
13,236,282.94x = 19,855,568.19 × 3,651,661.44 - Step 4: Simplify right side
13,236,282.94x = 72,505,812,728,713.59 - Step 5: Solve for x
x = 72,505,812,728,713.59/13,236,282.94 - Step 6: Final answer
x = 5,477,807.71
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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.