Finding the Fourth Proportional to 34,412,113.36, 47,489,969.56 and 18,730,380.48
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Solution
The fourth proportional to 34,412,113.36, 47,489,969.56 and 18,730,380.48 is: 25,848,607.13
Step by Step Solution
- Step 1: Write the proportion equation
34,412,113.36 : 47,489,969.56 = 18,730,380.48 : x - Step 2: Convert to fraction form
34,412,113.36/47,489,969.56 = 18,730,380.48/x - Step 3: Cross multiply
34,412,113.36x = 47,489,969.56 × 18,730,380.48 - Step 4: Simplify right side
34,412,113.36x = 889,505,198,842,418.25 - Step 5: Solve for x
x = 889,505,198,842,418.25/34,412,113.36 - Step 6: Final answer
x = 25,848,607.13
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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.