Finding the Fourth Proportional to 14,771,780.20, 22,159,743.90 and 4,673,348.20
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Solution
The fourth proportional to 14,771,780.20, 22,159,743.90 and 4,673,348.20 is: 7,010,678.32
Step by Step Solution
- Step 1: Write the proportion equation
14,771,780.20 : 22,159,743.90 = 4,673,348.20 : x - Step 2: Convert to fraction form
14,771,780.20/22,159,743.90 = 4,673,348.20/x - Step 3: Cross multiply
14,771,780.20x = 22,159,743.90 × 4,673,348.20 - Step 4: Simplify right side
14,771,780.20x = 103,560,199,267,525.98 - Step 5: Solve for x
x = 103,560,199,267,525.98/14,771,780.20 - Step 6: Final answer
x = 7,010,678.32
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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.