Finding the Fourth Proportional to 26,056,043.92, 39,084,346.53 and 7,860,396.74
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Solution
The fourth proportional to 26,056,043.92, 39,084,346.53 and 7,860,396.74 is: 11,790,679.77
Step by Step Solution
- Step 1: Write the proportion equation
26,056,043.92 : 39,084,346.53 = 7,860,396.74 : x - Step 2: Convert to fraction form
26,056,043.92/39,084,346.53 = 7,860,396.74/x - Step 3: Cross multiply
26,056,043.92x = 39,084,346.53 × 7,860,396.74 - Step 4: Simplify right side
26,056,043.92x = 307,218,469,854,020.62 - Step 5: Solve for x
x = 307,218,469,854,020.62/26,056,043.92 - Step 6: Final answer
x = 11,790,679.77
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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.