Finding the Fourth Proportional to 23,642,893.62, 32,626,780.29 and 13,329,623.70
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Solution
The fourth proportional to 23,642,893.62, 32,626,780.29 and 13,329,623.70 is: 18,394,647.91
Step by Step Solution
- Step 1: Write the proportion equation
23,642,893.62 : 32,626,780.29 = 13,329,623.70 : x - Step 2: Convert to fraction form
23,642,893.62/32,626,780.29 = 13,329,623.70/x - Step 3: Cross multiply
23,642,893.62x = 32,626,780.29 × 13,329,623.70 - Step 4: Simplify right side
23,642,893.62x = 434,902,703,808,276.81 - Step 5: Solve for x
x = 434,902,703,808,276.81/23,642,893.62 - Step 6: Final answer
x = 18,394,647.91
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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.