Finding the Fourth Proportional to 43,842,685.80, 65,764,028.70 and 18,275,197.80
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Solution
The fourth proportional to 43,842,685.80, 65,764,028.70 and 18,275,197.80 is: 27,412,796.70
Step by Step Solution
- Step 1: Write the proportion equation
43,842,685.80 : 65,764,028.70 = 18,275,197.80 : x - Step 2: Convert to fraction form
43,842,685.80/65,764,028.70 = 18,275,197.80/x - Step 3: Cross multiply
43,842,685.80x = 65,764,028.70 × 18,275,197.80 - Step 4: Simplify right side
43,842,685.80x = 1,201,850,632,617,377 - Step 5: Solve for x
x = 1,201,850,632,617,377/43,842,685.80 - Step 6: Final answer
x = 27,412,796.70
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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.