Finding the Fourth Proportional to 7,722,631.98, 11,584,628.74 and 2,864,994.74
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Solution
The fourth proportional to 7,722,631.98, 11,584,628.74 and 2,864,994.74 is: 4,297,744.67
Step by Step Solution
- Step 1: Write the proportion equation
7,722,631.98 : 11,584,628.74 = 2,864,994.74 : x - Step 2: Convert to fraction form
7,722,631.98/11,584,628.74 = 2,864,994.74/x - Step 3: Cross multiply
7,722,631.98x = 11,584,628.74 × 2,864,994.74 - Step 4: Simplify right side
7,722,631.98x = 33,189,900,404,952.83 - Step 5: Solve for x
x = 33,189,900,404,952.83/7,722,631.98 - Step 6: Final answer
x = 4,297,744.67
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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.