Finding the Fourth Proportional to 32,968,169.68, 45,498,797.70 and 18,288,568.84
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Solution
The fourth proportional to 32,968,169.68, 45,498,797.70 and 18,288,568.84 is: 25,239,735.84
Step by Step Solution
- Step 1: Write the proportion equation
32,968,169.68 : 45,498,797.70 = 18,288,568.84 : x - Step 2: Convert to fraction form
32,968,169.68/45,498,797.70 = 18,288,568.84/x - Step 3: Cross multiply
32,968,169.68x = 45,498,797.70 × 18,288,568.84 - Step 4: Simplify right side
32,968,169.68x = 832,107,893,873,683.75 - Step 5: Solve for x
x = 832,107,893,873,683.75/32,968,169.68 - Step 6: Final answer
x = 25,239,735.84
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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.