Finding the Fourth Proportional to 23,193,857.01, 32,006,645.79 and 12,881,244.40
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Solution
The fourth proportional to 23,193,857.01, 32,006,645.79 and 12,881,244.40 is: 17,775,630.28
Step by Step Solution
- Step 1: Write the proportion equation
23,193,857.01 : 32,006,645.79 = 12,881,244.40 : x - Step 2: Convert to fraction form
23,193,857.01/32,006,645.79 = 12,881,244.40/x - Step 3: Cross multiply
23,193,857.01x = 32,006,645.79 × 12,881,244.40 - Step 4: Simplify right side
23,193,857.01x = 412,285,426,780,814.88 - Step 5: Solve for x
x = 412,285,426,780,814.88/23,193,857.01 - Step 6: Final answer
x = 17,775,630.28
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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.