Finding the Fourth Proportional to 10,412,126.65, 14,368,554.65 and 5,765,819.63
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Solution
The fourth proportional to 10,412,126.65, 14,368,554.65 and 5,765,819.63 is: 7,956,731.35
Step by Step Solution
- Step 1: Write the proportion equation
10,412,126.65 : 14,368,554.65 = 5,765,819.63 : x - Step 2: Convert to fraction form
10,412,126.65/14,368,554.65 = 5,765,819.63/x - Step 3: Cross multiply
10,412,126.65x = 14,368,554.65 × 5,765,819.63 - Step 4: Simplify right side
10,412,126.65x = 82,846,494,506,033.72 - Step 5: Solve for x
x = 82,846,494,506,033.72/10,412,126.65 - Step 6: Final answer
x = 7,956,731.35
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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.