Finding the Fourth Proportional to 43,441,394.80, 65,185,711.80 and 17,884,987.60
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Solution
The fourth proportional to 43,441,394.80, 65,185,711.80 and 17,884,987.60 is: 26,837,205.68
Step by Step Solution
- Step 1: Write the proportion equation
43,441,394.80 : 65,185,711.80 = 17,884,987.60 : x - Step 2: Convert to fraction form
43,441,394.80/65,185,711.80 = 17,884,987.60/x - Step 3: Cross multiply
43,441,394.80x = 65,185,711.80 × 17,884,987.60 - Step 4: Simplify right side
43,441,394.80x = 1,165,845,647,240,173.75 - Step 5: Solve for x
x = 1,165,845,647,240,173.75/43,441,394.80 - Step 6: Final answer
x = 26,837,205.68
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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.