Finding the Fourth Proportional to 43,575,287.20, 65,362,930.80 and 26,569,175.20
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Solution
The fourth proportional to 43,575,287.20, 65,362,930.80 and 26,569,175.20 is: 39,853,762.80
Step by Step Solution
- Step 1: Write the proportion equation
43,575,287.20 : 65,362,930.80 = 26,569,175.20 : x - Step 2: Convert to fraction form
43,575,287.20/65,362,930.80 = 26,569,175.20/x - Step 3: Cross multiply
43,575,287.20x = 65,362,930.80 × 26,569,175.20 - Step 4: Simplify right side
43,575,287.20x = 1,736,639,160,010,676 - Step 5: Solve for x
x = 1,736,639,160,010,676/43,575,287.20 - Step 6: Final answer
x = 39,853,762.80
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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.