Finding the Fourth Proportional to 23,204,812.72, 32,023,212.24 and 12,750,745.36
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Solution
The fourth proportional to 23,204,812.72, 32,023,212.24 and 12,750,745.36 is: 17,596,342.18
Step by Step Solution
- Step 1: Write the proportion equation
23,204,812.72 : 32,023,212.24 = 12,750,745.36 : x - Step 2: Convert to fraction form
23,204,812.72/32,023,212.24 = 12,750,745.36/x - Step 3: Cross multiply
23,204,812.72x = 32,023,212.24 × 12,750,745.36 - Step 4: Simplify right side
23,204,812.72x = 408,319,824,881,475.19 - Step 5: Solve for x
x = 408,319,824,881,475.19/23,204,812.72 - Step 6: Final answer
x = 17,596,342.18
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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.