Finding the Fourth Proportional to 14,636,242.74, 20,197,994.97 and 8,110,294.68
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Solution
The fourth proportional to 14,636,242.74, 20,197,994.97 and 8,110,294.68 is: 11,192,195.57
Step by Step Solution
- Step 1: Write the proportion equation
14,636,242.74 : 20,197,994.97 = 8,110,294.68 : x - Step 2: Convert to fraction form
14,636,242.74/20,197,994.97 = 8,110,294.68/x - Step 3: Cross multiply
14,636,242.74x = 20,197,994.97 × 8,110,294.68 - Step 4: Simplify right side
14,636,242.74x = 163,811,691,151,857.75 - Step 5: Solve for x
x = 163,811,691,151,857.75/14,636,242.74 - Step 6: Final answer
x = 11,192,195.57
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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.