Finding the Fourth Proportional to 32,168,741.73, 44,392,656.42 and 18,420,363.06
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Solution
The fourth proportional to 32,168,741.73, 44,392,656.42 and 18,420,363.06 is: 25,419,982.40
Step by Step Solution
- Step 1: Write the proportion equation
32,168,741.73 : 44,392,656.42 = 18,420,363.06 : x - Step 2: Convert to fraction form
32,168,741.73/44,392,656.42 = 18,420,363.06/x - Step 3: Cross multiply
32,168,741.73x = 44,392,656.42 × 18,420,363.06 - Step 4: Simplify right side
32,168,741.73x = 817,728,848,454,239.88 - Step 5: Solve for x
x = 817,728,848,454,239.88/32,168,741.73 - Step 6: Final answer
x = 25,419,982.40
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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.