Finding the Fourth Proportional to 33,148,380.97, 45,742,414.41 and 18,263,054.80
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Solution
The fourth proportional to 33,148,380.97, 45,742,414.41 and 18,263,054.80 is: 25,201,720.16
Step by Step Solution
- Step 1: Write the proportion equation
33,148,380.97 : 45,742,414.41 = 18,263,054.80 : x - Step 2: Convert to fraction form
33,148,380.97/45,742,414.41 = 18,263,054.80/x - Step 3: Cross multiply
33,148,380.97x = 45,742,414.41 × 18,263,054.80 - Step 4: Simplify right side
33,148,380.97x = 835,396,221,054,139.62 - Step 5: Solve for x
x = 835,396,221,054,139.62/33,148,380.97 - Step 6: Final answer
x = 25,201,720.16
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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.