Finding the Fourth Proportional to 43,640,744.25, 65,461,444.53 and 19,373,147.09
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Solution
The fourth proportional to 43,640,744.25, 65,461,444.53 and 19,373,147.09 is: 29,059,866.31
Step by Step Solution
- Step 1: Write the proportion equation
43,640,744.25 : 65,461,444.53 = 19,373,147.09 : x - Step 2: Convert to fraction form
43,640,744.25/65,461,444.53 = 19,373,147.09/x - Step 3: Cross multiply
43,640,744.25x = 65,461,444.53 × 19,373,147.09 - Step 4: Simplify right side
43,640,744.25x = 1,268,194,193,603,566 - Step 5: Solve for x
x = 1,268,194,193,603,566/43,640,744.25 - Step 6: Final answer
x = 29,059,866.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.