Finding the Fourth Proportional to 26,141,765.20, 39,135,994.62 and 18,333,617.08
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Solution
The fourth proportional to 26,141,765.20, 39,135,994.62 and 18,333,617.08 is: 27,446,667.58
Step by Step Solution
- Step 1: Write the proportion equation
26,141,765.20 : 39,135,994.62 = 18,333,617.08 : x - Step 2: Convert to fraction form
26,141,765.20/39,135,994.62 = 18,333,617.08/x - Step 3: Cross multiply
26,141,765.20x = 39,135,994.62 × 18,333,617.08 - Step 4: Simplify right side
26,141,765.20x = 717,504,339,408,020 - Step 5: Solve for x
x = 717,504,339,408,020/26,141,765.20 - Step 6: Final answer
x = 27,446,667.58
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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.