Finding the Fourth Proportional to 33,163,928.71, 45,765,756.41 and 18,480,213.88
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Solution
The fourth proportional to 33,163,928.71, 45,765,756.41 and 18,480,213.88 is: 25,502,435.92
Step by Step Solution
- Step 1: Write the proportion equation
33,163,928.71 : 45,765,756.41 = 18,480,213.88 : x - Step 2: Convert to fraction form
33,163,928.71/45,765,756.41 = 18,480,213.88/x - Step 3: Cross multiply
33,163,928.71x = 45,765,756.41 × 18,480,213.88 - Step 4: Simplify right side
33,163,928.71x = 845,760,966,629,965.62 - Step 5: Solve for x
x = 845,760,966,629,965.62/33,163,928.71 - Step 6: Final answer
x = 25,502,435.92
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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.